How To Fix RESCSU081 - Allocation rule from &1 of SU &2 is invalid for period &3

SAP Error Message - Details

• Message type: E = Error

• Message class: RESCSU - Error Texts for Settlement Unit

• Message number: 081

• Message text: Allocation rule from &1 of SU &2 is invalid for period &3

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 RESCSU081 - Allocation rule from &1 of SU &2 is invalid for period &3 ?

  The SAP error message RESCSU081 indicates that there is an issue with the allocation rule specified in the system. This error typically arises in the context of cost allocation or resource planning within SAP, particularly in modules like SAP Controlling (CO) or SAP Project System (PS).
  Cause:
  The error message "RESCSU081 Allocation rule from &1 of SU &2 is invalid for period &3" can be caused by several factors:
  
  
  Invalid Allocation Rule: The allocation rule referenced in the message is not valid for the specified period. This could be due to the rule being inactive, deleted, or not applicable for the given time frame.
  
  
  Period Closure: The period for which the allocation is being attempted may be closed in the system, preventing any changes or allocations from being processed.
  
  
  Configuration Issues: There may be configuration issues in the allocation rules or the settings related to the specific cost center, internal order, or project.
  
  
  Master Data Issues: The master data associated with the allocation rule (such as cost centers, internal orders, or projects) may not be correctly set up or may have inconsistencies.
  
  
  Solution:
  To resolve the RESCSU081 error, you can take the following steps:
  
  
  Check Allocation Rule: Verify the allocation rule referenced in the error message. Ensure that it is active and valid for the specified period. You can do this by navigating to the relevant configuration settings in SAP.
  
  
  Review Period Status: Check if the period for which the allocation is being attempted is open. If the period is closed, you may need to open it or adjust your allocation to a valid period.
  
  
  Configuration Review: Review the configuration settings for allocation rules in the SAP system. Ensure that all necessary settings are correctly configured and that there are no missing or incorrect entries.
  
  
  Master Data Validation: Validate the master data related to the allocation rule. Ensure that all relevant cost centers, internal orders, or projects are correctly set up and active.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific details on the allocation rules and their configuration.
  
  
  Seek Help from SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like KSU5 (for cost center allocation) or CJ20N (for project management) to review and adjust allocation rules.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error message.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to view and modify allocation rules and related master data.
  
  By following these steps, you should be able to identify and resolve the cause of the RESCSU081 error in your SAP system.