Well, below are some tips to try again. This is likely because we match your address with a database so the slightest difference can indeed result in an error. That processing of your address, by the way, is done 100% GDPR-proof. Tips:

There is a letter in your house number: e.g. Kasteellaan 7A. You have to enter that "A" in the same field as the "7" --> "7A" all at once, in other words.
You live in a borough: check whether you can select the borough instead of the municipality. E.g. "3910 Neerpelt" instead of "3900 Pelt".

If it still does not work, please contact our helpdesk. When doing so, please provide as many details as possible.

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