Here is the list of changes that need to take place if you are having issues either in validating or deploying the WPC schemas.
Click below…

1. Stop the HIPAA Service
2. Delete all files (normally the .wrk and .eif files) in this directory C:\Documents and Settings\All Users\Application Data\Microsoft\BizTalk Server 2004\HIPAA_EDI\Subsystem\EIF
3. Start the HIPAA Service
4. in the {Program Files}\Microsoft BizTalk Accelerator for HIPAA 3.0\HIPAA_EDI\Subsystem double click on the compeif.exe and wait for it to complete
5. Open up the parame table in the BizTalkHIPAA_EDIDb and change the column repolock to NULL by pressing CTRL+0

You now should be able to re-validate or re-deploy the schemas that were causing the issue.