VhsConnect\VhsException:
503 Service Unavailable
Service Unavailable
The server is temporarily unable to service your
request due to maintenance downtime or capacity
problems. Please try again later.
Apache/2.4.7 (Ubuntu) Server at green.api.vhs-connect.de Port 80
in /home/web1000-stable/html/cms/resources/private/packages/itemkg/vhsconnect/src/VhsConnect.php:1051
Stack trace:
#0 /home/web1000-stable/html/cms/resources/private/packages/itemkg/vhsconnect/src/VhsConnect.php(1645): VhsConnect\VhsConnect->call('/api/gp/categor...', 'GET', Array)
#1 /home/web1000-stable/html/cms/plugins/VhsConnect/CourseRequest/Plugin.php(141): VhsConnect\VhsConnect->getCategoriesTree(Array)
#2 /home/web1000-stable/html/index.php(395): CourseRequestPlugin->index()
#3 {main}