How To Fix /SAPAPO/OM_SYNC221 - Class assignment of activity differs from class assignment of resource

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_SYNC -

• Message number: 221

• Message text: Class assignment of activity differs from class assignment of resource

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_SYNC221 - Class assignment of activity differs from class assignment of resource ?

  The SAP error message /SAPAPO/OM_SYNC221 indicates that there is a mismatch between the class assignment of an activity and the class assignment of the resource in the Advanced Planning and Optimization (APO) module. This error typically arises during the synchronization of data between the APO and the SAP ERP system, particularly when dealing with production planning and scheduling.
  Cause:
  
  Class Assignment Mismatch: The activity you are trying to assign to a resource has a different class assignment than what is defined for that resource. This can happen if the resource is configured with a specific class type and the activity is assigned a different class type.
  Data Inconsistency: There may be inconsistencies in the master data between the APO and the ERP system, leading to discrepancies in class assignments.
  Configuration Issues: Incorrect configuration in the APO system or the resource master data can lead to this error.
  
  Solution:
  
  
  Check Class Assignments:
  
  Verify the class assignment of both the activity and the resource. Ensure that they are aligned and belong to the same class type.
  You can check the class assignments in the respective master data views in SAP.
  
  
  
  Update Master Data:
  
  If there is a mismatch, update the master data for either the activity or the resource to ensure they match. This may involve changing the class assignment of the activity or the resource.
  
  
  
  Data Synchronization:
  
  Ensure that the data synchronization between the ERP and APO systems is functioning correctly. You may need to re-run the data transfer or check for any errors in the data transfer logs.
  
  
  
  Check Configuration:
  
  Review the configuration settings in both the APO and ERP systems to ensure that they are set up correctly. This includes checking the settings for class types and resource definitions.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to this error message for any specific guidance or patches that may address the issue.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like /SAPAPO/OM_ORDER to check the order details and /SAPAPO/OM_RESOURCE to check resource details.
  SAP Notes: Look for relevant SAP Notes that may provide additional insights or solutions for this specific error.
  Support: If the issue persists, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the steps you have taken to resolve it.
  
  By following these steps, you should be able to identify and resolve the cause of the /SAPAPO/OM_SYNC221 error message.