How To Fix VO753 - Unexpected return code &1 after call-up of &2

SAP Error Message - Details

• Message type: E = Error

• Message class: VO - W&S: Rough workload forecast + picking wave

• Message number: 753

• Message text: Unexpected return code &1 after call-up of &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message VO753 - Unexpected return code &1 after call-up of &2 ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  VO753 - Unexpected return code &1 after call-up of &2
  
  Meaning / Cause:
  This error occurs when a function module or external program called by the SAP system returns an unexpected return code. The placeholders &1 and &2 represent:
  
  &1: The unexpected return code received.
  &2: The name of the function module, external program, or process that was called.
  
  In other words, SAP expected a certain return code (usually indicating success), but received a different one, which it does not know how to handle.
  This typically happens in scenarios such as:
  
  Calling external programs or scripts from SAP (e.g., via OS commands or RFC calls).
  Calling function modules or BAPIs that return status codes.
  Integration with external systems where the return code signals an error or unexpected condition.
  
  
  Common Causes:
  
  The external program or function module encountered an error and returned a non-zero or unexpected return code.
  Incorrect parameters passed to the called function/module causing it to fail.
  Communication or authorization issues between SAP and the external system.
  Missing or incorrect configuration for the called program or function.
  System environment issues (e.g., missing executables, permission problems).
  
  
  Solution / Troubleshooting Steps:
  
  
  Check the Return Code (&1):
  
  Identify the actual return code returned. This code often indicates the type of error. For example, a non-zero return code usually means failure.
  
  
  Identify the Called Program or Function (&2):
  
  Determine which program or function module was called. This helps narrow down where the problem occurred.
  
  
  Review Logs and Traces:  
  
  Check the system logs (SM21), developer traces (ST11), or application logs (SLG1) for more detailed error messages.
  If an external program is called, check its logs or output files.
  
  
  
  Verify Parameters:
  
  Ensure that the parameters passed to the function/module or external program are correct and valid.
  
  
  Check Authorizations and Environment:  
  
  Verify that the SAP user or system has the necessary authorizations to execute the external call.
  Check OS-level permissions if an external executable is involved.
  Ensure the external program or script exists and is executable.
  
  
  
  Test the Called Program Independently:
  
  If possible, run the external program or function module independently with the same parameters to see if it produces the same error.
  
  
  Consult Documentation:
  
  Look up the documentation for the called function module or external program to understand the meaning of the return codes.
  
  
  Apply SAP Notes:
  
  Search for SAP Notes related to the error message VO753 or the specific function/module called.
  
  
  
  Example Scenario:
  
  SAP calls an external script to generate a report.
  The script returns a return code 1 indicating an error.
  SAP expects 0 for success.
  SAP raises VO753 with message: "Unexpected return code 1 after call-up of Z_REPORT_GENERATOR".
  
  
  Related Information:
  
  
  Transaction Codes:  
  
  SM21 (System Log)  
  ST22 (Dump Analysis)  
  SLG1 (Application Log)  
  SM37 (Job Monitoring)  
  
  
  
  SAP Notes:
  
  Search for "VO753" or the specific function module/external program name in the SAP Support Portal.
  
  
  Function Module Documentation:
  
  Check the documentation of the called function module in SE37.
  
  
  
  If you provide the actual return code and the name of the called program/function, I can help you analyze the issue more specifically.