Admiror Gallery cannot create thumbnails in /p3/site_cnnb/water/plugins/content/admirorgallery/admirorgallery/thumbs/franta/20/medieval hospital/
Check folder permmisions!
Admiror Gallery: 4.5.0
Server OS:Apache/2.4.6 (Unix) PHP/5.4.20
Client OS:Unknown
PHP:5.4.20