Please refer the function module : <b>/SAPSLL/ASS_DOCS_LS_FETCH_R3</b>. If you check in that you will find one more function module called : <b>/SAPSLL/LC_ASS_DOC_SELECT_RFC</b> . If I type this name in SE37 and say display it cannot be found. Where can I see the definition of this function module and this call retunrs some non zero value 4 . I want to debug and see why tis call is failing. Canm anyone please help me with this .