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CALL_FUNCTION_WAIT_ERROR (Internal error code.... "RFC_IO5")

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CALL_FUNCTION_WAIT_ERROR (Internal error code.... "RFC_IO5")

Dear Gurus,

Pls give me some idea to resolve the short dump : CALL_FUNCTION_WAIT_ERROR

Error analysis

An error occurred when executing a Remote Function Call.
"connection closed"
Internal error code.... "RFC_IO5"
There is an error in the communication system. To clarify
and resolve the error, contact your system administrator.

Information on where termination occurred

The termination occurred in the ABAP/4 program "SAPMSSY1 " in
The main program was "SAPMSSY1 ".
The termination occurred in line 69
of the source code of program "SAPMSSY1 " (when calling the editor 690).



  • Shalesh Singh Visen
    12 Jan 2009 2:45 am
    I think this is the problem, of background job scheduler. check rdisp/bufrefmodew parameter.
  • Shalesh Singh Visen
    12 Jan 2009 2:47 am
    This parameter doesn't exist on my (Single Application Server) system because:

    Buffer synchronization is required only for distributed SAP Systems when more than one application server (instance) is used. If your SAP System utilizes only one application server (instance), buffer synchronization is not needed. When the application server is restarted, all buffers are erased and dynamically reconstructed.

    Kindly suggest if something else need to be taken care.
  • 05 May 2009 10:55 am
    it must be rdisp/bufrefmode

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