Hi,
GEO my WP is not fully compatible with the XProfile Custom Field Types plugin. It should work with a couple of field types generated by the plugin but not all.
There was also an issue with those couple of field types that I fixed in GEO my WP version 3.2. Version 3.2 is now in beta 3 and you can download it from here. So installing the beta version on your site might solve the issue.
If you do try the beta make sure to follow the steps on that same post on how to create a Google Maps Server API key.
I hope this helps.