Hi Tamil,
Please go to transaction code SM58 and see if there is any failed LUW created for the FM : BBP_PD_SC_TRANSFER. If there is any Failed LUW with this FM try to execute the LUW again.
You can use Function Module SPOOL_PO_CREATE to create the PO again.
U will not be able to transfer the SC via application motor because when the status of the shopping cart status is I1111 Create follow on document button might not be visible.
You need to convert the status of the shopping cart to I1112 - Error in Transmission status . Only then you can retransfer it via the application monitor. To Convert the shopping cart status from I1111 - item in Transfer status to I1112- Error in Transmission execute the program BBP_ALERT_SB_NOTTRANSFERED.
If you are getting the I1111 status again and again for all the shopping cart then there is some error in the PO creation step, to find the error debug the FM : BAPI_PO_CREATE1.
Regards,
Suresh