How To Fix /SAPAPO/CIF_NQRFC033 - New qRFC API was activated on the inbound side

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CIF_NQRFC -

• Message number: 033

• Message text: New qRFC API was activated on the inbound side

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/CIF_NQRFC033 - New qRFC API was activated on the inbound side ?

  The SAP error message /SAPAPO/CIF_NQRFC033 indicates that a new qRFC (queued Remote Function Call) API has been activated on the inbound side of the Core Interface (CIF) in SAP Advanced Planning and Optimization (APO). This error typically arises when there is a mismatch or inconsistency in the configuration or setup of the CIF between the SAP ERP and SAP APO systems.
  Cause:
  
  New API Activation: The error is triggered when a new qRFC API is activated in the SAP system, which may not be compatible with the existing configuration or data structures in the APO system.
  Version Mismatch: There may be a version mismatch between the SAP ERP and SAP APO systems, where one system has been updated to a newer version that includes the new qRFC API, while the other has not.
  Configuration Issues: Incorrect or incomplete configuration in the CIF settings can lead to this error.
  Transport Issues: If the changes related to the new API were transported incorrectly or incompletely, it could lead to this error.
  
  Solution:
  
  Check System Versions: Ensure that both the SAP ERP and SAP APO systems are on compatible versions. If one system has been updated, consider updating the other to match.
  Review CIF Configuration: Go through the CIF configuration settings in both systems to ensure they are correctly set up. Pay special attention to the settings related to qRFC.
  Reconfigure CIF: If necessary, reconfigure the CIF settings. This may involve reactivating the CIF model or adjusting the settings related to the qRFC API.
  Check for Notes and Patches: Look for SAP Notes or patches that address this specific error. SAP frequently releases updates that may resolve compatibility issues.
  Monitor qRFC Queue: Use transaction SMQ1 (for outbound queues) and SMQ2 (for inbound queues) to monitor the qRFC queues for any stuck or failed messages that may provide additional context for the error.
  Consult SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. They can provide guidance based on the specific configurations and versions of your systems.
  
  Related Information:
  
  CIF Documentation: Review the official SAP documentation on CIF and qRFC to understand the configurations and best practices.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CIF1 (CIF Model), CIF2 (CIF Monitoring), and CIF3 (CIF Settings).
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  By following these steps, you should be able to diagnose and resolve the /SAPAPO/CIF_NQRFC033 error effectively.