How To Fix SAMDT_VALIDATIONS011 - Derivation to &1 &2 is invalid as it has already inbound derivation &3

SAP Error Message - Details

• Message type: E = Error

• Message class: SAMDT_VALIDATIONS - Validations errors in S&AM design time

• Message number: 011

• Message text: Derivation to &1 &2 is invalid as it has already inbound derivation &3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SAMDT_VALIDATIONS011 - Derivation to &1 &2 is invalid as it has already inbound derivation &3 ?

  The SAP error message SAMDT_VALIDATIONS011 indicates that there is an issue with the derivation of a certain value in the system. Specifically, it states that the derivation to a particular target (denoted as &1 &2) is invalid because it has already been assigned an inbound derivation (denoted as &3). This typically occurs in the context of data processing or transformation where multiple derivations are being applied to the same target.
  Cause:
  
  Duplicate Derivation: The error is primarily caused by an attempt to assign multiple derivations to the same target value. In SAP, each target can only have one valid derivation at a time.
  Configuration Issues: There may be a misconfiguration in the derivation rules or logic that leads to conflicting assignments.
  Data Integrity Issues: The data being processed may have inconsistencies or conflicts that lead to this error.
  
  Solution:
  
  Review Derivation Rules: Check the derivation rules configured in the system. Ensure that there are no conflicting rules that attempt to derive the same target from different sources.
  Adjust Logic: If multiple derivations are necessary, consider adjusting the logic to ensure that only one derivation is applied at a time. This may involve modifying the conditions under which each derivation is triggered.
  Data Cleanup: If the error is due to data integrity issues, perform a data cleanup to resolve any conflicts or duplicates in the data that may be causing the issue.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the derivation process and how to configure it correctly.
  Testing: After making changes, conduct thorough testing to ensure that the issue is resolved and that the derivation logic works as intended.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in analyzing and configuring derivation rules, such as SPRO for configuration settings.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.