LO Extraction

HI ,

I am connecting BW server to our development server , when i use following transaction in my R3 Development side

LBWE->SD SALES BW ->EXTRACT STRUCTURES ->2LIS_11_VAHDR

and press to make it active i am getting error message

" <b>Data source 2LIS_11_VAHDR does not exist</b> "

What is the step to be taken to solve this problem.

Renjith Kumar