Magento 2: Invalid Form Key. Please refresh the page. Error on Product Save
Problem: The following error occurred while saving a product from Magento 2 admin: Invalid Form Key. Please refresh the page. Cause: The cause of this error is related to the max_input_vars (Maximum Input Variables) directive in the PHP settings. The max_input_vars directive value is the maximum number of variables that can be used for a … Read more