"Illegal overwrite of Encyclopedia association" checking out Gen model

Products

• Gen - Host Encyclopedia
• Gen

Issue/Introduction

Receiving the below error while checking out a Gen model from the Host Encyclopedia (HE) 

GEN internal Fatal error: Illegal overwrite of Encyclopedia association

Environment

Component: Gen Host Encyclopedia

Release: 8.6

Cause

The error indicates corruption in the model

Resolution

 If a recent backup without the corruption is available, restore it and then run a model validate report on Host Encyclopedia

If no backup is available:
1) Run Eval report to identify bad objects in the model specifically
2) Run a model validate report on Host Encyclopedia
3) Run a trial migrate of the pstep
4) If the above trial migrate is successful, then run real migration
5) Run Eval report on the destination model to confirm error does not exist.

Additional Information

Host Encyclopedia Utilities - TIEEVAL