Fixed bug deleting accesgroup#1195

gluafamichl merged 1 commit intodevhashtopolis/server:devfrom

1190-bug-deleting-access-group-while-still-files-are-inside-access-group-causes-pdo-exceptionhashtopolis/server:1190-bug-deleting-access-group-while-still-files-are-inside-access-group-causes-pdo-exceptionCopy head branch name to clipboard