How To Fix /SAPAPO/MC01192 - RFC error & (check the number of possible modes)

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MC01 -

• Message number: 192

• Message text: RFC error & (check the number of possible modes)

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/MC01192 - RFC error & (check the number of possible modes) ?

  The SAP error message /SAPAPO/MC01192 typically indicates an issue related to the Remote Function Call (RFC) in the context of SAP Advanced Planning and Optimization (APO). The specific message often relates to the number of possible modes being exceeded or not being properly configured.
  Cause:
  
  Exceeding Mode Limits: The error can occur if the number of modes defined for a particular planning object (like a product or resource) exceeds the system's configured limits.
  Configuration Issues: There may be a misconfiguration in the APO settings or in the master data that leads to this error.
  Data Inconsistencies: Inconsistencies in the master data or planning data can also trigger this error.
  System Performance: If the system is under heavy load or if there are performance issues, it may not be able to handle the requested RFC calls properly.
  
  Solution:
  
  Check Mode Configuration: Review the configuration of the modes in the APO system. Ensure that the number of modes defined does not exceed the allowed limits.
  Adjust Settings: If necessary, adjust the settings in the APO configuration to allow for more modes or to optimize the existing ones.
  Data Validation: Validate the master data and planning data to ensure there are no inconsistencies or errors that could be causing the issue.
  System Performance: Monitor the system performance and check for any bottlenecks. If the system is under heavy load, consider optimizing the performance or scheduling the RFC calls during off-peak hours.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like /SAPAPO/MC62 (for mode configuration) or /SAPAPO/MC65 (for mode assignment) to review and adjust the settings.
  SAP Documentation: Refer to the official SAP documentation for APO for detailed information on mode configuration and RFC settings.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered and resolved similar issues.
  
  If the problem persists after following these steps, it may be necessary to involve your SAP Basis team or SAP support for further investigation.