How To Fix RESCSU078 - SU &1 - allocation rule is invalid on &2

SAP Error Message - Details

• Message type: E = Error

• Message class: RESCSU - Error Texts for Settlement Unit

• Message number: 078

• Message text: SU &1 - allocation rule is invalid on &2

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 RESCSU078 - SU &1 - allocation rule is invalid on &2 ?

  The SAP error message RESCSU078 indicates that there is an issue with an allocation rule in the context of a resource or cost allocation. The message typically reads: "Allocation rule is invalid on &2," where "&1" represents the specific allocation rule and "&2" represents the object (such as a cost center, internal order, or project) where the error occurred.
  Cause:
  The error can occur due to several reasons, including:
  
  
  Invalid Allocation Rule: The allocation rule specified may not be valid for the object in question. This could be due to the rule being deleted, not being activated, or not being applicable to the specific context.
  
  
  Configuration Issues: There may be configuration issues in the allocation rules setup in the system. This could include missing or incorrect settings in the controlling area or the allocation structure.
  
  
  Master Data Issues: The master data related to the allocation rule or the object may be incomplete or incorrect, leading to the error.
  
  
  Period Closure: If the allocation rule is being applied in a closed period, it may not be valid for that period.
  
  
  Solution:
  To resolve the RESCSU078 error, you can take the following steps:
  
  
  Check Allocation Rule: Verify that the allocation rule specified in the error message is valid and active. You can do this by navigating to the relevant configuration settings in SAP.
  
  
  Review Configuration: Ensure that the allocation rules are correctly configured in the system. Check the settings in the controlling area and allocation structure to ensure they are set up correctly.
  
  
  Validate Master Data: Check the master data for the object in question to ensure that it is complete and correct. This includes verifying cost centers, internal orders, or any other relevant objects.
  
  
  Check Period Status: Ensure that the period in which you are trying to apply the allocation rule is open. If the period is closed, you may need to reopen it or adjust your allocation accordingly.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific details on the allocation rules and their configuration.
  
  
  Contact Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes such as KSU5 (for manual allocations) or KSV5 (for allocation structure) to review and manage allocation rules.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error message.
  User Forums: SAP Community and other user forums can be helpful for finding similar issues faced by other users and their solutions.
  
  By following these steps, you should be able to identify and resolve the cause of the RESCSU078 error in your SAP system.