How To Fix MN723 - Invalid activity category & passed on (internal error)

SAP Error Message - Details

• Message type: E = Error

• Message class: MN - Message class for subsequent settlement (Purchasing)

• Message number: 723

• Message text: Invalid activity category & passed on (internal error)

Self-Explanatory Message

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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 MN723 - Invalid activity category & passed on (internal error) ?

  The SAP error message MN723, which states "Invalid activity category & passed on (internal error)," typically occurs in the context of SAP's Controlling (CO) module, particularly when dealing with activity types and cost centers. This error indicates that there is an issue with the activity category being used in a transaction or configuration.
  Causes:
  
  Invalid Activity Category: The activity category specified in the transaction does not exist or is not defined in the system.
  Configuration Issues: There may be a misconfiguration in the activity types or cost centers related to the activity category.
  Authorization Issues: The user may not have the necessary authorizations to access or use the specified activity category.
  Data Inconsistencies: There could be inconsistencies in the master data related to activity types, cost centers, or internal orders.
  
  Solutions:
  
  
  Check Activity Category:
  
  Verify that the activity category being used is valid and exists in the system. You can do this by navigating to the relevant configuration settings in SAP.
  Use transaction code KP26 (Change Activity Type) to check if the activity type is correctly assigned to the activity category.
  
  
  
  Review Configuration:
  
  Ensure that the activity types are properly configured in the system. Check the configuration settings in the Controlling module.
  Use transaction code OKA1 (Activity Types) to review the settings.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to perform the transaction involving the activity category. This may require checking with your SAP security team.
  
  
  
  Data Consistency Check:
  
  Run consistency checks on the master data related to cost centers and activity types to identify any discrepancies.
  Use transaction codes like KSB1 (Cost Centers: Actual Line Items) to review cost center data.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the transaction to identify the exact point of failure. This may require assistance from a technical consultant.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as KP26, OKA1, KSB1, and others related to activity types and cost centers.
  SAP Documentation: Refer to SAP Help documentation for detailed information on configuring activity types and categories.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  If the problem continues after trying these solutions, it may be beneficial to involve your SAP support team or a consultant with expertise in the Controlling module for further investigation.