Credit memo correction Request

Hi gurus,

I have followed SAP instructions of OSS note 840723, and i Have implemented all related notes. My problema is, that when i make a credit memo correction request from a credit memo, i get both ítem categories G2n, and i was suposse to get 1 postion G2n and second on L2n (as note 840723 says).

any ideas.

Thanks in advance