500 - Unable to render class

Hi
opening a photo on my site with "phoca gallery" (es: www.coromontecavallo.it/index.php/vmu-img/category/86-nikolajewka-pordenone-24-01-2016) mobile joomla display this error: "500 - Unable to render class".

Is there anybody who could help me?

Thanks a lot

Hello,

Thanks for using Mobile Joomla! forum. If there's an error 500, we would need the following for us to further investigate this issue:

Note: Please send us the following to our email support​@​mobilejoomal.com

1.) error_log file. The file should be located in your Joomla root directory
2.) Temporary login (admin access)

Best,

John Mark C.
Mobile Joomla! Support