You say you transfered customers into the new install from an old install.

I'm assuming that they weren't the same version, or that they are the same version yet the new version doesn't have all the same mods as the old install.

The best practice when transferring data from one db to another is to take the data from both databases and match up the info in a spreadsheet, so that the data matches the column heading.

It sounds to me like you just imported without looking at the layout of the fields in all the different customer tables.

Also, did you import all of the customer data? There are several tables that pertain to customers, you may have added the customers names without adding the cross reference to the customers id so that the customer can't be tied to the other relevant data to that customer.

I hope that makes some kind of sense. hehe.

JP