Christoph 02d81d4ee8 prevent private lectures in frontend, still needs validation ...

Co-authored-by: [Mahgs] <maxoerter@gmx.de>
Co-authored-by: Christoph <tobi@urpost.de>

2020-03-25 16:44:53 +01:00

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gruppen2

prevent private lectures in frontend, still needs validation

2020-03-25 16:44:53 +01:00