I'm trying to install this extension http://www.magentocommerce.com/magento-connect/postcode-nl-postcode-complementation-and-validation.html but it's not working.

I can see the settings in the configuration, I can edit those, I can set the extension as enabled, but except for the settings, it's not working.

Strange thing is that I had no problems on my localhost.

I deleted my cache in Magento and in var/cache, I deleted my sessions, I logged out and loggedin multiple times and still, the extension is not working.

Where do I have to look further? Struggling with it for 5 hours now... Maybe something with my permissions?

2 Answers 2


Figured it out: Compilation was enabled. I had to disabled it, clear it, recompiled and enabled it again.


I'd consider turning on logging and reviewing the log files for errors. Another idea would be to review network traffic to see if it is even reaching Postcode.nl.

  • Can't see anything in my logs. On localhost it is working, so I don't think it the network traffic.
    – Royw
    Jul 23, 2014 at 16:56

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