Warning: imagecreate(): Invalid image dimensions in /var/www/kronann/data/www/xn--52-6kc3bpfn.xn--p1ai/vendor/james-heinrich/phpthumb/phpthumb.class.php on line 4200
**Failed to send graphical error image, dumping error message as text:**
phpThumb() v1.7.15-201810050741
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