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View invoice gives: Fatal error: Call to a member function updateBackButtonUrl(). Get paid for the solution!
Could someone please help me. After the upgrade i’m unable to view any invoices i get the following error
Fatal error: Call to a member function updateBackButtonUrl() on a non-object in /home/laura/domains/laurakinderkleding.nl/public_html/app/code/core/Mage/Adminhtml/controllers/Sales/Order/InvoiceController.php on line 148
i tried everything from a clean install to replacing all the files in that map but nothing seems to work