Caller 09 contains error message in SAP BW

Hi,

I am trying to load data in a 3.x DSO which uses 2lis_02_itm datasource.While executing the delta load I am getting the error "Caller 09 contains error message" after some of the records are loaded.The datasource is active in R/3 as well as BW yet I tried activating it again in BW and also replicated it.I also executed the program to activate transfer structure and yet I am facing the issue.Kindly help.

Regards,

Shalaka