Check if the application is actually enabled

apps/admin_export/settings.php

apps/bookmarks/addBm.php

apps/bookmarks/ajax/addBookmark.php

apps/bookmarks/ajax/delBookmark.php

apps/bookmarks/ajax/editBookmark.php

apps/bookmarks/ajax/getMeta.php

apps/bookmarks/ajax/recordClick.php

apps/bookmarks/ajax/updateList.php

apps/bookmarks/index.php

apps/calendar/ajax/activation.php

apps/calendar/ajax/changeview.php

apps/calendar/ajax/choosecalendar.php

apps/calendar/ajax/createcalendar.php

apps/calendar/ajax/deletecalendar.php

apps/calendar/ajax/deleteevent.php

apps/calendar/ajax/editcalendar.php

apps/calendar/ajax/editevent.php

apps/calendar/ajax/editeventform.php

apps/calendar/ajax/getcal.php

apps/calendar/ajax/newcalendar.php