PROBLEM in function module extractor

Hi ,

i m facing a problem in creating a function module as extractor in srm but its not working plz letme know the way i can create the zfunction module as extrator.

i created a datasource ZSRM_CS in which i m using BBP_PDS_CND as extraction structure and Z_BIW_GET_DATA_SIMPLE as zfunction module

but even wen i use rsa3 in debug mode its not stoping and gives error

ERROR6 plz letmme know the problem.

i copied the standard module RSAX_BIW_GET_DATA_SIMPLE .

n hide the irrelvant things. tell me y its not stoping in debug mode in rsa3

Thnx

Regards