Admiror Gallery cannot create thumbnails in /home/mtattoo/www/mtattoo.ru/plugins/content/admirorgallery/AdmirorGallery/thumbs/tattoo-mashinki/
Check folder permmisions!
Admiror Gallery: 4.1.1
Server OS:Apache/2.4.10 (Debian) mod_fcgid/2.3.9 OpenSSL/1.0.1t
Client OS:Unknown
PHP:5.6.40-0+deb8u12