IDOCs Problem...Urgent

Hi

After sheduling data i am getting the following warnings..

Extraction (messages): Missing messages

Missing message: Number of sent records

Missing message: selection completed

Transfer (IDOCs and TRFC): Missing messages and warnings

Datapackage1: arrived in BW; Processing; selected number doesnot agree with transferred n

Info Idoc2: sent, not arrived; error passing data to port

Info Idoc3: sent, not arrived; error passing data to port

Info Idoc4: sent, not arrived; error passing data to port

Please suggest me what to Do??

Help will be greatly appreciated..

This is very urgent...

Thanks in advance...