requset is showing yellow

hi,

i am trying to load data from r/3 to bw request is in yellow

the process is going on from hours but i am not getting data

previously i have loaded data for this dso but now unable to load data

it is showing in this way

Request still running

Diagnosis

No errors found. The current process has probably not finished yet.

System Response

The ALE inbox of BI is identical to the ALE outbox of the source system

or

the maximum wait time for this request has not yet been exceeded

or

the background job has not yet finished in the source system.

Current status

No Idocs arrived from the source system.

please suggest me.

i will assign points