error Message: Resource bundle/Message key = wt.pom.pomResource/9

Version: Windchill 11.1

Use Case: LEOparts system

Description:

could you please provide me solution:
in fact i received error message during the complete task of "Standard Change Request" SCR00001822 in side LEoparts system :

"

Windchill error occurred completing work item!
Message: Resource bundle/Message key = wt.pom.pomResource/9  "

thanks for urgent support