Getting this error when trying to configure a customer, after clicking OK it does load. But what causes this? Thanks for who can help me!


  • Are you sure that your admin theme template files haven't been modified? Did you try to turn off customer-related extensions and check if the error persists? – Matthias Zeis Jul 30 '14 at 14:14

The cause of this problem is the value of is_required in postcode field in eav_attribute is 0. You have 2 options to solve it:

  1. Set this back to 1.
  2. Update the file in app\design\adminhtml\default\default\template\directory\js\optional_zip_countries.phtml with the code from github here https://gist.github.com/alihalabyah/fba4660d0d3f4c3c85a3

I think this is a bug of Magento.

| improve this answer | |
  • Setting is_required =1 in table eav_attribute resolved this issue for me. Will this cause a conflict for addresses in other countries? – TylersSN Jun 3 '15 at 20:22

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