Error in logs

[Valdnet]

There is an error in the logs:

Error	no app in context	Exception: Return value of OCA\ServerInfo\OperatingSystems\DefaultOs::getTime() must be of the type string, null returned in file '/home/xxx/public_html/xxx/apps/serverinfo/lib/OperatingSystems/DefaultOs.php' line 115

    /home/xxx/public_html/xxx/lib/private/AppFramework/App.php - line 157:

    OC\AppFramework\Http\Dispatcher->dispatch(OCA\ServerIn ... {}, "BasicData")

    /home/xxx/public_html/xxx/lib/private/Route/Router.php - line 302:

    OC\AppFramework\App::main("OCA\\Server ... r", "BasicData", OC\AppFramew ... {}, { _route: "o ... "})

    /home/xxx/public_html/xxx/ocs/v1.php - line 62:

    OC\Route\Router->match("/ocsapp/app ... a")

    /home/xxx/public_html/xxx/ocs/v2.php - line 23:

    require_once("/home/xxx/p ... p")

Spowodowany TypeError: Return value of OCA\ServerInfo\OperatingSystems\DefaultOs::getTime() must be of the type string, null returned

    /home/xxx/public_html/xxx/apps/serverinfo/lib/Os.php - line 89:

    OCA\ServerInfo\OperatingSystems\DefaultOs->getTime()

    /home/xxx/public_html/xxx/apps/serverinfo/lib/Controller/ApiController.php - line 179:

    OCA\ServerInfo\Os->getTime()

    /home/xxx/public_html/xxx/lib/private/AppFramework/Http/Dispatcher.php - line 217:

    OCA\ServerInfo\Controller\ApiController->BasicData()

    /home/xxx/public_html/xxx/lib/private/AppFramework/Http/Dispatcher.php - line 126:

    OC\AppFramework\Http\Dispatcher->executeController(OCA\ServerIn ... {}, "BasicData")

    /home/xxx/public_html/xxx/lib/private/AppFramework/App.php - line 157:

    OC\AppFramework\Http\Dispatcher->dispatch(OCA\ServerIn ... {}, "BasicData")

    /home/xxx/public_html/xxx/lib/private/Route/Router.php - line 302:

    OC\AppFramework\App::main("OCA\\Server ... r", "BasicData", OC\AppFramew ... {}, { _route: "o ... "})

    /home/xxx/public_html/xxx/ocs/v1.php - line 62:

    OC\Route\Router->match("/ocsapp/app ... a")

    /home/xxx/public_html/xxx/ocs/v2.php - line 23:

    require_once("/home/xxx/p ... p")

Operating system: Linux 5.4.17-2102.205.7.3.el7uek.x86_64 x86_64 Database: mysql 5.7.30 PHP version: 7.3.25

Nextcloud version: (see Nextcloud admin page) 23.0.0

App: Serverinfo 1.13.0