Warning: imagecreate(): Invalid image dimensions in /var/www/karst-npcru/data/www/karst-npc.ru/phpThumb/phpthumb.class.php on line 4178

**Failed to send graphical error image, dumping error message as text:**<br>

phpThumb() v1.7.14-201608101311
http://phpthumb.sourceforge.net

Error messages disabled.

edit phpThumb.config.php and (temporarily) set
$PHPTHUMB_CONFIG['disable_debug'] = false;
to view the details of this error