After weeks of succesfull logging in the backend i get the following message
Fatal error: Call to a member function getBackend() on a non-object in /home/jkecnl/domains/loopfietsjeswinkel.nl/public_html/app/code/core/Mage/Eav/Model/Entity/Collection/Abstract.php on line 373
Any one an idea ?
Is it better to install magento again ?
Or to restore a backup from the server from t yesterday ?
thanx in advance