How to reset the 2E model value for YMSGNBR

Products

• CA 2E

Issue/Introduction

Running out of numbers in YMSGNBR model value, how to reset it in 2E.  Currently at 9999 in the YMSGNBR Model Value.  Would like to change the Model Prefix (YMSGPFX) to a new prefix and reset the YMSGNBR counter to 0001.  Although changing the system will value for YMSGPFX is allowed, 2E will not allow changing YMSGNBR. 
Get error message:
'YMSGNBR ' not valid for parameter MDLVAL, CPD0084 
 

Environment

Release:
Component: C21E

Resolution

Regarding resetting the the model value YMSGNBR (in conjunction with YMSGPFX).
Perform the following:

1. Make sure no one is editing the model
2. YCHGMDLVAL YMSGPFX, assign a new prefix
3. YEDTDTAARA YMSGNBRRFA, reset to 1
4. Edit the model, add a test message and check the MSGID assigned.