Could not create controller. Invalid characters in controller name.

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• In file /htdocs/weiterbildungsserver/live/shared/classes/core/data/Controller.php at line 76: N/A
• In file /htdocs/weiterbildungsserver/live/shared/classes/core/data/Controller.php at line 158: Controller::createController()
• In file /htdocs/weiterbildungsserver/live/kurse/pub/index.php at line 19: Controller::runControllerAction()