Workflow stopped at background step

Hi Experts,

I have a background step in my workflow , when iam testing this workflow from SWUS the workflow is getting stopped at this background step the workflow is not going forward to next step. the workflow log shows ' task started in background'

moreover i did't find any errors in the log for the same.and i checked SM37 there the relevent job is finished. please advice what canbe the problem?

Thanks & Regards,

Sarath.