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!
The cause of this problem is the value of
postcode field in
eav_attribute is 0. You have 2 options to solve it:
app\design\adminhtml\default\default\template\directory\js\optional_zip_countries.phtmlwith the code from github here https://gist.github.com/alihalabyah/fba4660d0d3f4c3c85a3
I think this is a bug of Magento.