[SOLVED][Drupal Commerce] White screen on Checkout Review page: PHP error: Call to a member function value() on a non-object
A number of Drupal users have encountered a White screen page accompanied by a "PHP error: Call to a member function value() on a non-object" error message when accessing the Checkout Review page of the Drupal Commerce module. If you are facing the same situation with Drupal Commerce in your Drupal site then read on to find out the solution.
Due to the number of users who reported having the same error in their Drupal site a patch was created. The problem was due to the Address field in the Customer Profile being set as a multiple value field.
- You can apply the patch or
- You could upgrade to the latest version of the module to which the patch has been committed.
Hope that helps.
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Reference: http://drupal.org/node/1653338