Thank you so much for your response, my issue is that i am getting the error in slg1, but in EMMAJL my message is displayed in error as "messages without reference to business object".The case category is created as category business object specific....

I am working on a BPEM case creation for a custom message class xreated previously and displayed in slg1. This is triggered via EL18.So i created a new case category with reference to another case category giving standard message class error. The pro...