Could not start transport control program tp

hi

Pls help me out..

STMS is not working ....gives RFC error.

RFC error: timeout during allocate / CPIC-CALL:

Command TMS_MGR_TRANSMIT_TR_QUEUE

Service Transport Service

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Function TMS_TP_ADD2BUFFER

Message TP_CALL_FAILED

for solution ..... AWARD points are waiting...