Phoca Gallery - Error

[RuFiK]

Hi

I have created categori, and inside i have a few photos.
I put into article

{phocagallery view=categories|imagecategories=1|imagecategoriessize=0|hidecategories=2}

and i get

Warning: Invalid argument supplied for foreach() in /mywebsite.org/plugins/content/phocagallery/phocagallery.php on line 829

Allready i have installed

Joomla 2.5.4
Phoca Gallery 3.1.5
Phoca Gallery Button Plugin 3.0.1
Phoca Gallery Image 3.1.6
Phoca Gallery Plugin 3.1.2
Phoca Gallery Slideshow Plugin 3.1.3

[Jan]

Hi, enable debug mode (Joomla! configuration) to get more information from database about the error.

Jan