In this case we recommend that you try accepting the invite via an incognito browser or on a different device, if that's an option. That way we can make sure that the cache is not causing the issue.
If the problem persists and you can't enter your specific address use the building number, street name, or a close public space or building instead. Just make sure not to enter the exact address of someone else.
Hope you find this useful. Let us know how you get on.
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