How To Fix UCRX012 - Taxonomy definition contains a recursive loop

SAP Error Message - Details

• Message type: E = Error

• Message class: UCRX - Messages for XBRL Interface

• Message number: 012

• Message text: Taxonomy definition contains a recursive loop

What causes this issue?

The taxonomy definition contains a recursion or an ambiguous assignment
of higher and lower level nodes. Node &V1& is beneath node &V2&, but is
also beneath node &V3&.
The taxonomy tree <ZH>cannot</> be build.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check the file that contains the taxonomy and remove one or more of the
edges that is causing the recursion.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UCRX012 - Taxonomy definition contains a recursive loop ?

  The SAP error message UCRX012, which states "Taxonomy definition contains a recursive loop," typically occurs in the context of SAP's taxonomies used for reporting and data classification, particularly in the SAP Convergent Charging or SAP Convergent Invoicing modules. This error indicates that there is a recursive reference in the taxonomy definition, meaning that a taxonomy is referencing itself either directly or indirectly, which creates a loop that the system cannot resolve.
  Cause:
  
  Recursive References: The taxonomy definitions may have been set up in such a way that one taxonomy references another, which in turn references the first taxonomy, creating a loop.
  Incorrect Configuration: There may be an error in the configuration of the taxonomies, such as incorrect parent-child relationships.
  Data Integrity Issues: If the taxonomy data has been imported or modified incorrectly, it may lead to recursive definitions.
  
  Solution:
  
  Review Taxonomy Definitions: Check the taxonomy definitions in the system to identify any recursive references. Look for any taxonomy that points back to itself or creates a circular reference with other taxonomies.
  Correct Relationships: Modify the taxonomy relationships to eliminate any recursive loops. Ensure that each taxonomy has a clear and non-circular hierarchy.
  Validation: After making changes, validate the taxonomy definitions to ensure that they are correctly set up and do not contain any loops.
  Testing: Test the changes in a development or test environment before applying them to the production environment to ensure that the issue is resolved without introducing new problems.
  Consult Documentation: Refer to SAP documentation or guides related to taxonomy definitions for best practices and examples of correct configurations.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on taxonomy configuration.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered and resolved similar issues.
  SAP Support: If the issue persists after attempting to resolve it, consider reaching out to SAP support for assistance, providing them with details of the taxonomy definitions and the steps taken to troubleshoot the issue.
  
  By following these steps, you should be able to identify and resolve the recursive loop in your taxonomy definitions, thereby eliminating the UCRX012 error.