Problem in extraction

Hi,

i m facing a very unique problem.

wen i m extracting the data from R/3 it goes into infinite loop means the request does not turn green .

In R/3 i created a view (extractor) n extracting data in bw ...

plz letme know wt cud be the problem .

earlier it was extracting data perfectly.. but suddenly m facing this prob...

help will b appreciated .

Thanks,