It seems the NAV 2009 to 2015 upgrade routine misses transferring the “County” (state) data into the new field read more

The NAV Code that performs the dimension upgrade can't handle a ‘-‘ in the company name. This caused me a bit of grief because that step uses C/AL code to call SQL queries directly on the sever, which was a pain to debug. So rename the company to remove the - before upgrading read more