NM: MigrateUser Error: 13,line 14: Type mismatch (4313526)

Issue

When a user is sent to migrate this error appears in the Notes client status bar:

MigrateUser Error: 13,line 14: Type mismatch
Migration Status is set to Error for the user: X user.MigrateCMTUser failed

Solution

The user was set to migrate on a particular workstation that is either not in the farm or has been removed and uninstalled. A migration workstation can be assigned to a user to migrate on a particular workstation in a farm by highlighting the users person document and from the Note client menu choosing  Action/other/set migration workstation.   In this instance the user was preset to run on a worker that was uninstalling and unregistered or not longer available. You can set the user back to run on the first available workstation by running the agent  Actions/other/Set Migration workstation to Nothing,  which will clear out the choice and the user will picked up on the first available worker.