How To Fix /SAPAPO/SEQ050 - Optimization call canceled by RFC. System exception: &1, reason: &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/SEQ -

• Message number: 050

• Message text: Optimization call canceled by RFC. System exception: &1, reason: &2

Self-Explanatory Message

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• What is the cause and solution for SAP error message /SAPAPO/SEQ050 - Optimization call canceled by RFC. System exception: &1, reason: &2 ?

  The SAP error message /SAPAPO/SEQ050 Optimization call canceled by RFC. System exception: &1, reason: &2 typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with the Remote Function Call (RFC) during an optimization process. This error can arise due to various reasons, and understanding the cause and finding a solution involves several steps.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the application server, leading to RFC failures.
  System Resource Limitations: The system may be running out of resources (memory, CPU) which can cause the optimization process to fail.
  Timeouts: The RFC call may be timing out due to long processing times or heavy loads on the system.
  Configuration Issues: Incorrect configuration settings in the APO system or in the RFC destination can lead to this error.
  Authorization Issues: The user executing the optimization may not have the necessary authorizations to perform the operation.
  Data Issues: There may be inconsistencies or errors in the data being processed, which can lead to exceptions during optimization.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues between the systems involved. You can use tools like ping or traceroute to diagnose connectivity.
  Monitor System Resources: Use transaction codes like SM50 or SM66 to monitor system performance and check for any resource bottlenecks. If necessary, consider increasing system resources.
  Increase Timeout Settings: If timeouts are suspected, you can increase the RFC timeout settings in the SAP system. This can be done in transaction RZ12 or by adjusting the relevant parameters in the RFC destination settings.
  Review Configuration: Check the configuration settings in the APO system and ensure that the RFC destinations are correctly set up. Use transaction SM59 to verify RFC destinations.
  Check Authorizations: Ensure that the user has the necessary authorizations to execute the optimization. You can use transaction SU53 to analyze authorization issues.
  Data Validation: Validate the data being processed to ensure there are no inconsistencies or errors. This may involve checking master data, transaction data, and any relevant settings in the APO system.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error. You can search the SAP Support Portal for notes related to /SAPAPO/SEQ050.
  Transaction Logs: Review the application logs (transaction SLG1) for more detailed error messages that may provide additional context.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.