please help m eto fix my website

hi, i just installed sku generator (the auto install) without doing a backup and know everytime i click on one of my products through the back end or even try to create a new product i get this error...


Fatal error: Call to a member function getTaxClasses() on a non-object in /home/mayala82/public_html/vqmod/vqcache/vq2-admin_controller_catalog_product.php on line 929

can someone help me please

hi,please give more information about your problem, like

1.which opencart version you used?
2.which extension made this issue?

then someone can help you