How To Fix REEXCO007 - Allocation rule &1 was already used - new validity to &2/&3

SAP Error Message - Details

• Message type: E = Error

• Message class: REEXCO - Messages for CO Integration

• Message number: 007

• Message text: Allocation rule &1 was already used - new validity to &2/&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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message REEXCO007 - Allocation rule &1 was already used - new validity to &2/&3 ?

  The SAP error message REEXCO007 indicates that an allocation rule (identified by &1) has already been used in a previous allocation process, and you are attempting to create a new validity period for it that overlaps with an existing one (validity dates &2 to &3). This error typically occurs in the context of cost allocation or internal order management within SAP.
  Cause:
  
  Overlapping Validity Periods: The allocation rule you are trying to modify or create has a validity period that overlaps with an existing allocation rule.
  Incorrect Data Entry: There may be a mistake in the dates you are entering, leading to an overlap.
  System Configuration: The system may be configured to prevent overlapping validity periods for allocation rules to maintain data integrity.
  
  Solution:
  
  
  Check Existing Allocation Rules: Review the existing allocation rules to see if there is already a rule with the same identifier and overlapping dates. You can do this by navigating to the relevant transaction in SAP (e.g., transaction code KSU5 for cost center allocations).
  
  
  Adjust Validity Dates: If you find that the dates you are trying to enter overlap with an existing rule, adjust the new validity dates to ensure they do not conflict with the existing allocation rule.
  
  
  Delete or Modify Existing Rules: If the existing allocation rule is no longer needed, you may consider deleting it or modifying its validity period to accommodate the new rule.
  
  
  Consult Documentation: Refer to SAP documentation or your organization's internal guidelines for managing allocation rules to ensure compliance with best practices.
  
  
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting SAP Notes for any known issues or patches related to this error.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as KSU5 (for cost center allocations) or KSV5 (for internal orders) to manage allocation rules.
  SAP Notes: Check SAP Notes for any updates or specific fixes related to this error message.
  User Authorization: Ensure that you have the necessary authorizations to create or modify allocation rules in the system.
  
  By following these steps, you should be able to resolve the REEXCO007 error and successfully manage your allocation rules in SAP.