Admiror Gallery cannot create thumbnails in /var/www/bioscopegroup/bioscopegroup_new/plugins/content/admirorgallery/admirorgallery/thumbs/Group History/
Check folder permmisions!
Admiror Gallery: 4.5.0
Server OS:Apache/2.2.22 (Ubuntu)
Client OS:Unknown
PHP:5.3.10-1ubuntu3.23