Model: Fatal error: Uncaught TypeError: Argument 1 passed to Pixel_FileAttribute_Helper_Data::productAttribute() must be an instance of Mage_Catalog_Helper_Output, instance of OnlineBiz_Facebookstore_Helper_Output given, called in /var/www/virtual/rustykalneuchwyty.pl/htdocs/app/code/local/OnlineBiz/Facebookstore/Helper/Output.php on line 89 and defined in /var/www/virtual/rustykalneuchwyty.pl/htdocs/app/code/community/Pixel/FileAttribute/Helper/Data.php:19 Stack trace: #0 /var/www/virtual/rustykalneuchwyty.pl/htdocs/app/code/local/OnlineBiz/Facebookstore/Helper/Output.php(89): Pixel_FileAttribute_Helper_Data->productAttribute(Object(OnlineBiz_Facebookstore_Helper_Output), '30.328.HF.125', Array) #1 /var/www/virtual/rustykalneuchwyty.pl/htdocs/app/code/local/OnlineBiz/Facebookstore/Helper/Output.php(123): OnlineBiz_Facebookstore_Helper_Output->process('productAttribut...', '30.328.HF.125', Array) #2 /var/www/virtual/rustykalneuchwyty.pl/htdocs/app/design/frontend/base/default/template/onlinebizsoft/facebooktimeline/product/view. in /var/www/virtual/rustykalneuchwyty.pl/htdocs/app/code/community/Pixel/FileAttribute/Helper/Data.php on line 19