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TITLE
Update to 18.0.50 breaks Grafana
PRODUCT, VERSION, OPERATING SYSTEM, ARCHITECTURE
AlmaLinux 8.7
Plesk Obsidian Version 18.0.50
PROBLEM DESCRIPTION
When you upgrade Plesk to 18.0.50, the Grafana extension gives an error:
When you open the Monitoring extension, you get a Server Error:

STEPS TO REPRODUCE
- Update an existing Plesk installation to 18.0.50
- Open the Grafana extension, and you will see the error:
"500 Type Error
Mezzio\Router\Route::__construct(): Argument #3 ($methods) must be of type array, null given, called in /usr/local/psa/admin/plib/modules/grafana/vendor/mezzio/mezzio-router/src/RouteCollector.php on line 75"
- Open the monitoring extension, and you will see the error:
"Grafana / Server Error"
ACTUAL RESULT
- Open the Grafana extension, and you will see the error:
"500 Type Error
Mezzio\Router\Route::__construct(): Argument #3 ($methods) must be of type array, null given, called in /usr/local/psa/admin/plib/modules/grafana/vendor/mezzio/mezzio-router/src/RouteCollector.php on line 75"
- Open the monitoring extension, and you will see the error:
"Grafana / Server Error"
EXPECTED RESULT
That the monitoring and Grafana extension still works.
ANY ADDITIONAL INFORMATION
(DID NOT ANSWER QUESTION)
YOUR EXPECTATIONS FROM PLESK SERVICE TEAM
Confirm bug
TITLE
Update to 18.0.50 breaks Grafana
PRODUCT, VERSION, OPERATING SYSTEM, ARCHITECTURE
AlmaLinux 8.7
Plesk Obsidian Version 18.0.50
PROBLEM DESCRIPTION
When you upgrade Plesk to 18.0.50, the Grafana extension gives an error:
500 TypeError
Mezzio\Router\Route::__construct(): Argument #3 ($methods) must be of type array, null given, called in /usr/local/psa/admin/plib/modules/grafana/vendor/mezzio/mezzio-router/src/RouteCollector.php on line 75Type | TypeError |
Message | Mezzio\Router\Route::__construct(): Argument #3 ($methods) must be of type array, null given, called in /usr/local/psa/admin/plib/modules/grafana/vendor/mezzio/mezzio-router/src/RouteCollector.php on line 75 |
File | Route.php |
Line | 78 |
When you open the Monitoring extension, you get a Server Error:

STEPS TO REPRODUCE
- Update an existing Plesk installation to 18.0.50
- Open the Grafana extension, and you will see the error:
"500 Type Error
Mezzio\Router\Route::__construct(): Argument #3 ($methods) must be of type array, null given, called in /usr/local/psa/admin/plib/modules/grafana/vendor/mezzio/mezzio-router/src/RouteCollector.php on line 75"
- Open the monitoring extension, and you will see the error:
"Grafana / Server Error"
ACTUAL RESULT
- Open the Grafana extension, and you will see the error:
"500 Type Error
Mezzio\Router\Route::__construct(): Argument #3 ($methods) must be of type array, null given, called in /usr/local/psa/admin/plib/modules/grafana/vendor/mezzio/mezzio-router/src/RouteCollector.php on line 75"
- Open the monitoring extension, and you will see the error:
"Grafana / Server Error"
EXPECTED RESULT
That the monitoring and Grafana extension still works.
ANY ADDITIONAL INFORMATION
(DID NOT ANSWER QUESTION)
YOUR EXPECTATIONS FROM PLESK SERVICE TEAM
Confirm bug
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