diff --git a/app/config/collections.php b/app/config/collections.php
index 1d452f4b3a..db229ce87a 100644
--- a/app/config/collections.php
+++ b/app/config/collections.php
@@ -1944,6 +1944,17 @@ $projectCollections = array_merge([
                 'array' => false,
                 'filters' => ['subQueryVariables'],
             ],
+            [
+                '$id' => ID::custom('varsProject'),
+                'type' => Database::VAR_STRING,
+                'format' => '',
+                'size' => 16384,
+                'signed' => true,
+                'required' => false,
+                'default' => null,
+                'array' => false,
+                'filters' => ['subQueryProjectVariables'],
+            ],
             [
                 '$id' => ID::custom('events'),
                 'type' => Database::VAR_STRING,
diff --git a/app/controllers/api/functions.php b/app/controllers/api/functions.php
index 4da67328cd..7bc408b16a 100644
--- a/app/controllers/api/functions.php
+++ b/app/controllers/api/functions.php
@@ -927,10 +927,9 @@ App::patch('/v1/functions/:functionId/deployments/:deploymentId')
     ->param('deploymentId', '', new UID(), 'Deployment ID.')
     ->inject('response')
     ->inject('dbForProject')
-    ->inject('project')
     ->inject('events')
     ->inject('dbForConsole')
-    ->action(function (string $functionId, string $deploymentId, Response $response, Database $dbForProject, Document $project, Event $events, Database $dbForConsole) {
+    ->action(function (string $functionId, string $deploymentId, Response $response, Database $dbForProject, Event $events, Database $dbForConsole) {
 
         $function = $dbForProject->getDocument('functions', $functionId);
         $deployment = $dbForProject->getDocument('deployments', $deploymentId);
@@ -990,9 +989,8 @@ App::delete('/v1/functions/:functionId')
     ->inject('dbForProject')
     ->inject('deletes')
     ->inject('events')
-    ->inject('project')
     ->inject('dbForConsole')
-    ->action(function (string $functionId, Response $response, Database $dbForProject, Delete $deletes, Event $events, Document $project, Database $dbForConsole) {
+    ->action(function (string $functionId, Response $response, Database $dbForProject, Delete $deletes, Event $events, Database $dbForConsole) {
 
         $function = $dbForProject->getDocument('functions', $functionId);
 
@@ -1434,11 +1432,9 @@ App::post('/v1/functions/:functionId/deployments/:deploymentId/builds/:buildId')
     ->inject('request')
     ->inject('response')
     ->inject('dbForProject')
-    ->inject('dbForConsole')
     ->inject('project')
-    ->inject('gitHub')
     ->inject('events')
-    ->action(function (string $functionId, string $deploymentId, string $buildId, Request $request, Response $response, Database $dbForProject, Database $dbForConsole, Document $project, GitHub $github, Event $events) use ($redeployVcs) {
+    ->action(function (string $functionId, string $deploymentId, string $buildId, Request $request, Response $response, Database $dbForProject, Document $project, Event $events) use ($redeployVcs) {
 
         $function = $dbForProject->getDocument('functions', $functionId);
 
@@ -1662,15 +1658,14 @@ App::post('/v1/functions/:functionId/executions')
         $vars = [];
 
         // Shared vars
-        foreach ($project->getAttribute('variables', []) as $var) {
+        foreach ($function->getAttribute('varsProject', []) as $var) {
             $vars[$var->getAttribute('key')] = $var->getAttribute('value', '');
         }
 
         // Function vars
-        $vars = \array_merge($vars, array_reduce($function->getAttribute('vars', []), function (array $carry, Document $var) {
-            $carry[$var->getAttribute('key')] = $var->getAttribute('value') ?? '';
-            return $carry;
-        }, []));
+        foreach ($function->getAttribute('vars', []) as $var) {
+            $vars[$var->getAttribute('key')] = $var->getAttribute('value', '');
+        }
 
         // Appwrite vars
         $vars = \array_merge($vars, [
@@ -1905,11 +1900,10 @@ App::post('/v1/functions/:functionId/variables')
     ->param('functionId', '', new UID(), 'Function unique ID.', false)
     ->param('key', null, new Text(Database::LENGTH_KEY), 'Variable key. Max length: ' . Database::LENGTH_KEY  . ' chars.', false)
     ->param('value', null, new Text(8192, 0), 'Variable value. Max length: 8192 chars.', false)
-    ->inject('project')
     ->inject('response')
     ->inject('dbForProject')
     ->inject('dbForConsole')
-    ->action(function (string $functionId, string $key, string $value, Document $project, Response $response, Database $dbForProject, Database $dbForConsole) {
+    ->action(function (string $functionId, string $key, string $value, Response $response, Database $dbForProject, Database $dbForConsole) {
         $function = $dbForProject->getDocument('functions', $functionId);
 
         if ($function->isEmpty()) {
@@ -1938,7 +1932,6 @@ App::post('/v1/functions/:functionId/variables')
         } catch (DuplicateException $th) {
             throw new Exception(Exception::VARIABLE_ALREADY_EXISTS);
         }
-        $dbForConsole->deleteCachedDocument('projects', $project->getId());
 
         $dbForProject->updateDocument('functions', $function->getId(), $function->setAttribute('live', false));
 
@@ -1950,8 +1943,6 @@ App::post('/v1/functions/:functionId/variables')
             ->setAttribute('active', !empty($function->getAttribute('schedule')) && !empty($function->getAttribute('deployment')));
         Authorization::skip(fn () => $dbForConsole->updateDocument('schedules', $schedule->getId(), $schedule));
 
-        $dbForProject->deleteCachedDocument('functions', $function->getId());
-
         $response
             ->setStatusCode(Response::STATUS_CODE_CREATED)
             ->dynamic($variable, Response::MODEL_VARIABLE);
@@ -1979,8 +1970,8 @@ App::get('/v1/functions/:functionId/variables')
         }
 
         $response->dynamic(new Document([
-            'variables' => $function->getAttribute('vars'),
-            'total' => \count($function->getAttribute('vars')),
+            'variables' => $function->getAttribute('vars', []),
+            'total' => \count($function->getAttribute('vars', [])),
         ]), Response::MODEL_VARIABLE_LIST);
     });
 
@@ -2040,11 +2031,10 @@ App::put('/v1/functions/:functionId/variables/:variableId')
     ->param('variableId', '', new UID(), 'Variable unique ID.', false)
     ->param('key', null, new Text(255), 'Variable key. Max length: 255 chars.', false)
     ->param('value', null, new Text(8192, 0), 'Variable value. Max length: 8192 chars.', true)
-    ->inject('project')
     ->inject('response')
     ->inject('dbForProject')
     ->inject('dbForConsole')
-    ->action(function (string $functionId, string $variableId, string $key, ?string $value, Document $project, Response $response, Database $dbForProject, Database $dbForConsole) {
+    ->action(function (string $functionId, string $variableId, string $key, ?string $value, Response $response, Database $dbForProject, Database $dbForConsole) {
 
         $function = $dbForProject->getDocument('functions', $functionId);
 
@@ -2071,7 +2061,6 @@ App::put('/v1/functions/:functionId/variables/:variableId')
         } catch (DuplicateException $th) {
             throw new Exception(Exception::VARIABLE_ALREADY_EXISTS);
         }
-        $dbForConsole->deleteCachedDocument('projects', $project->getId());
 
         $dbForProject->updateDocument('functions', $function->getId(), $function->setAttribute('live', false));
 
@@ -2083,8 +2072,6 @@ App::put('/v1/functions/:functionId/variables/:variableId')
             ->setAttribute('active', !empty($function->getAttribute('schedule')) && !empty($function->getAttribute('deployment')));
         Authorization::skip(fn () => $dbForConsole->updateDocument('schedules', $schedule->getId(), $schedule));
 
-        $dbForProject->deleteCachedDocument('functions', $function->getId());
-
         $response->dynamic($variable, Response::MODEL_VARIABLE);
     });
 
@@ -2102,11 +2089,10 @@ App::delete('/v1/functions/:functionId/variables/:variableId')
     ->label('sdk.response.model', Response::MODEL_NONE)
     ->param('functionId', '', new UID(), 'Function unique ID.', false)
     ->param('variableId', '', new UID(), 'Variable unique ID.', false)
-    ->inject('project')
     ->inject('response')
     ->inject('dbForProject')
     ->inject('dbForConsole')
-    ->action(function (string $functionId, string $variableId, Document $project, Response $response, Database $dbForProject, Database $dbForConsole) {
+    ->action(function (string $functionId, string $variableId, Response $response, Database $dbForProject, Database $dbForConsole) {
         $function = $dbForProject->getDocument('functions', $functionId);
 
         if ($function->isEmpty()) {
@@ -2134,7 +2120,5 @@ App::delete('/v1/functions/:functionId/variables/:variableId')
             ->setAttribute('active', !empty($function->getAttribute('schedule')) && !empty($function->getAttribute('deployment')));
         Authorization::skip(fn () => $dbForConsole->updateDocument('schedules', $schedule->getId(), $schedule));
 
-        $dbForProject->deleteCachedDocument('functions', $function->getId());
-
         $response->noContent();
     });
diff --git a/app/controllers/api/project.php b/app/controllers/api/project.php
index 0f0a296185..bd8d9d5f73 100644
--- a/app/controllers/api/project.php
+++ b/app/controllers/api/project.php
@@ -161,7 +161,6 @@ App::post('/v1/project/variables')
         } catch (DuplicateException $th) {
             throw new Exception(Exception::VARIABLE_ALREADY_EXISTS);
         }
-        $dbForConsole->deleteCachedDocument('projects', $project->getId());
 
         $functions = $dbForProject->find('functions', [
             Query::limit(APP_LIMIT_SUBQUERY)
@@ -171,8 +170,6 @@ App::post('/v1/project/variables')
             $dbForProject->updateDocument('functions', $function->getId(), $function->setAttribute('live', false));
         }
 
-        $dbForProject->deleteCachedDocument('projects', $project->getId());
-
         $response
             ->setStatusCode(Response::STATUS_CODE_CREATED)
             ->dynamic($variable, Response::MODEL_VARIABLE);
@@ -261,7 +258,6 @@ App::put('/v1/project/variables/:variableId')
         } catch (DuplicateException $th) {
             throw new Exception(Exception::VARIABLE_ALREADY_EXISTS);
         }
-        $dbForConsole->deleteCachedDocument('projects', $project->getId());
 
         $functions = $dbForProject->find('functions', [
             Query::limit(APP_LIMIT_SUBQUERY)
@@ -271,8 +267,6 @@ App::put('/v1/project/variables/:variableId')
             $dbForProject->updateDocument('functions', $function->getId(), $function->setAttribute('live', false));
         }
 
-        $dbForProject->deleteCachedDocument('projects', $project->getId());
-
         $response->dynamic($variable, Response::MODEL_VARIABLE);
     });
 
@@ -296,6 +290,8 @@ App::delete('/v1/project/variables/:variableId')
             throw new Exception(Exception::VARIABLE_NOT_FOUND);
         }
 
+        $dbForProject->deleteDocument('variables', $variable->getId());
+
         $functions = $dbForProject->find('functions', [
             Query::limit(APP_LIMIT_SUBQUERY)
         ]);
@@ -304,8 +300,5 @@ App::delete('/v1/project/variables/:variableId')
             $dbForProject->updateDocument('functions', $function->getId(), $function->setAttribute('live', false));
         }
 
-        $dbForProject->deleteDocument('variables', $variable->getId());
-        $dbForProject->deleteCachedDocument('projects', $project->getId());
-
         $response->noContent();
     });
diff --git a/app/controllers/api/vcs.php b/app/controllers/api/vcs.php
index 543a7e6b8b..fc352e4809 100644
--- a/app/controllers/api/vcs.php
+++ b/app/controllers/api/vcs.php
@@ -228,6 +228,7 @@ App::get('/v1/vcs/github/authorize')
     ->groups(['api', 'vcs'])
     ->label('scope', 'vcs.read')
     ->label('sdk.namespace', 'vcs')
+    ->label('error', __DIR__ . '/../../views/general/error.phtml')
     ->label('sdk.auth', [APP_AUTH_TYPE_ADMIN])
     ->label('sdk.method', 'createGitHubInstallation')
     ->label('sdk.description', '')
@@ -248,6 +249,11 @@ App::get('/v1/vcs/github/authorize')
         ]);
 
         $appName = App::getEnv('_APP_VCS_GITHUB_APP_NAME');
+
+        if (empty($appName)) {
+            throw new Exception(Exception::GENERAL_SERVER_ERROR, 'GitHub App name is not configured. Please configure VCS (Version Control System) variables in .env file.');
+        }
+
         $url = "https://github.com/apps/$appName/installations/new?" . \http_build_query([
             'state' => $state,
             'redirect_uri' => $request->getProtocol() . '://' . $request->getHostname() . "/v1/vcs/github/callback"
diff --git a/app/init.php b/app/init.php
index 91ded9f017..6f195742ee 100644
--- a/app/init.php
+++ b/app/init.php
@@ -493,7 +493,6 @@ Database::addFilter(
     }
 );
 
-// READ-ONLY! TO update, write directly to 'variables' collection. After update to vars, make sure to deleteCachedDocument()
 Database::addFilter(
     'subQueryProjectVariables',
     function (mixed $value) {
diff --git a/app/workers/builds.php b/app/workers/builds.php
index 2088db7b8b..5f8ea9c4ce 100644
--- a/app/workers/builds.php
+++ b/app/workers/builds.php
@@ -321,21 +321,15 @@ class BuildsV1 extends Worker
 
             $vars = [];
 
-            // Global vars
-            $varsFromProject = $dbForProject->find('variables', [
-                Query::equal('resourceType', ['project']),
-                Query::limit(APP_LIMIT_SUBQUERY)
-            ]);
-
-            foreach ($varsFromProject as $var) {
-                $vars[$var->getAttribute('key')] = $var->getAttribute('value') ?? '';
+            // Shared vars
+            foreach ($function->getAttribute('varsProject', []) as $var) {
+                $vars[$var->getAttribute('key')] = $var->getAttribute('value', '');
             }
 
             // Function vars
-            $vars = \array_merge($vars, array_reduce($function->getAttribute('vars', []), function (array $carry, Document $var) {
-                $carry[$var->getAttribute('key')] = $var->getAttribute('value');
-                return $carry;
-            }, []));
+            foreach ($function->getAttribute('vars', []) as $var) {
+                $vars[$var->getAttribute('key')] = $var->getAttribute('value', '');
+            }
 
             // Appwrite vars
             $vars = \array_merge($vars, [
diff --git a/app/workers/functions.php b/app/workers/functions.php
index d35c8c791a..aaad7d237e 100644
--- a/app/workers/functions.php
+++ b/app/workers/functions.php
@@ -143,17 +143,14 @@ Server::setResource('execute', function () {
         $vars = [];
 
         // Shared vars
-        $varsShared = $project->getAttribute('variables', []);
-        $vars = \array_merge($vars, \array_reduce($varsShared, function (array $carry, Document $var) {
-            $carry[$var->getAttribute('key')] = $var->getAttribute('value') ?? '';
-            return $carry;
-        }, []));
+        foreach ($function->getAttribute('varsProject', []) as $var) {
+            $vars[$var->getAttribute('key')] = $var->getAttribute('value', '');
+        }
 
         // Function vars
-        $vars = \array_merge($vars, array_reduce($function->getAttribute('vars', []), function (array $carry, Document $var) {
-            $carry[$var->getAttribute('key')] = $var->getAttribute('value');
-            return $carry;
-        }, []));
+        foreach ($function->getAttribute('vars', []) as $var) {
+            $vars[$var->getAttribute('key')] = $var->getAttribute('value', '');
+        }
 
         // Appwrite vars
         $vars = \array_merge($vars, [
diff --git a/src/Appwrite/Auth/OAuth2/Exception.php b/src/Appwrite/Auth/OAuth2/Exception.php
index 28d8d652f9..df5054ae9a 100644
--- a/src/Appwrite/Auth/OAuth2/Exception.php
+++ b/src/Appwrite/Auth/OAuth2/Exception.php
@@ -17,14 +17,17 @@ class Exception extends AppwriteException
         $decoded = json_decode($response, true);
         if (\is_array($decoded)) {
             if (\is_array($decoded['error'] ?? '')) {
-                $this->error = $decoded['error']['status'];
-                $this->errorDescription = $decoded['error']['message'];
-                $this->message =  $this->error . ': ' . $this->errorDescription;
+                $this->error = $decoded['error']['status'] ?? 'Unknown error';
+                $this->errorDescription = $decoded['error']['message'] ?? 'No description';
+            } elseif (\is_array($decoded['errors'] ?? '')) {
+                $this->error = $decoded['error'] ?? $decoded['message'] ?? 'Unknown error';
+                $this->errorDescription = $decoded['errors'][0]['message'] ?? 'No description';
             } else {
                 $this->error = $decoded['error'] ?? $decoded['message'] ?? 'Unknown error';
                 $this->errorDescription = $decoded['error_description'] ?? 'No description';
-                $this->message =  $this->error . ': ' . $this->errorDescription;
             }
+
+            $this->message = $this->error . ': ' . $this->errorDescription;
         }
         $type = match ($code) {
             400 => AppwriteException::USER_OAUTH2_BAD_REQUEST,
diff --git a/src/Appwrite/Migration/Version/V19.php b/src/Appwrite/Migration/Version/V19.php
index 33c0fceb9f..601f122ad9 100644
--- a/src/Appwrite/Migration/Version/V19.php
+++ b/src/Appwrite/Migration/Version/V19.php
@@ -408,6 +408,7 @@ class V19 extends Migration
                         'version',
                         'entrypoint',
                         'commands',
+                        'varsProject'
                     ];
                     foreach ($attributesToCreate as $attribute) {
                         try {
diff --git a/tests/e2e/Services/Functions/FunctionsCustomServerTest.php b/tests/e2e/Services/Functions/FunctionsCustomServerTest.php
index 5350d9d0e5..60b7f7542e 100644
--- a/tests/e2e/Services/Functions/FunctionsCustomServerTest.php
+++ b/tests/e2e/Services/Functions/FunctionsCustomServerTest.php
@@ -343,6 +343,24 @@ class FunctionsCustomServerTest extends Scope
         $this->assertEquals('0 0 1 1 *', $response1['body']['schedule']);
         $this->assertEquals(15, $response1['body']['timeout']);
 
+        /**
+         * Create global variable to test in execution later
+         */
+        $headers = [
+            'content-type' => 'application/json',
+            'origin' => 'http://localhost',
+            'cookie' => 'a_session_console=' . $this->getRoot()['session'],
+            'x-appwrite-project' => $this->getProject()['$id'],
+            'x-appwrite-mode' => 'admin',
+        ];
+
+         $variable = $this->client->call(Client::METHOD_POST, '/project/variables', $headers, [
+            'key' => 'GLOBAL_VARIABLE',
+            'value' => 'Global Variable Value',
+         ]);
+
+        $this->assertEquals(201, $variable['headers']['status-code']);
+
         /**
          * Test for FAILURE
          */
@@ -640,6 +658,7 @@ class FunctionsCustomServerTest extends Scope
         $this->assertStringContainsString('http', $execution['body']['responseBody']);
         $this->assertStringContainsString('PHP', $execution['body']['responseBody']);
         $this->assertStringContainsString('8.0', $execution['body']['responseBody']);
+        $this->assertStringContainsString('Global Variable Value', $execution['body']['responseBody']);
         // $this->assertStringContainsString('êä', $execution['body']['responseBody']); // tests unknown utf-8 chars
         $this->assertEquals('', $execution['body']['errors']);
         $this->assertEquals('', $execution['body']['logs']);
diff --git a/tests/resources/functions/php/index.php b/tests/resources/functions/php/index.php
index 5a9666488e..ac7b85a43a 100644
--- a/tests/resources/functions/php/index.php
+++ b/tests/resources/functions/php/index.php
@@ -8,6 +8,7 @@ return function ($context) {
         'APPWRITE_FUNCTION_TRIGGER' => $context->req->headers['x-appwrite-trigger'] ?? '',
         'APPWRITE_FUNCTION_RUNTIME_NAME' => \getenv('APPWRITE_FUNCTION_RUNTIME_NAME') ?: '',
         'APPWRITE_FUNCTION_RUNTIME_VERSION' => \getenv('APPWRITE_FUNCTION_RUNTIME_VERSION') ?: '',
-        'UNICODE_TEST' => "êä"
+        'UNICODE_TEST' => "êä",
+        'GLOBAL_VARIABLE' => \getenv('GLOBAL_VARIABLE') ?: ''
     ]);
 };