When you don’t properly close your iProcess procedure you have a chance of locking the object for further use. This will result in the following error message:

For some strange cosmic reason, this happens to me a lot. To fix this quickly in a DEV environment connect to the iProcess database and search for the following tables, find the record and delete it.
PM_OBJECTS_LOCK:

PROCEDURE_LOCK:

And you are good to go …