rsa3 no data, but the delta is working..

Hi gurus,

Need to check any reason why ..this is from PRD ,

When I did check rsa3,

2LIS_11_V_SCL

2LIS_11_VASCL   

all this datasource do not have data.. return 0 records,

but in the loading  in DSO, the delta working fine,,, everyday have new delta in the DSO,

any reason behide this situation.

Rgds

Edi.