How To Fix ER012 - Reference not allowed (cross reference)

SAP Error Message - Details

• Message type: E = Error

• Message class: ER - IS-U regional structure

• Message number: 012

• Message text: Reference not allowed (cross reference)

What causes this issue?

The desired reference is not permitted, because hierarchy levels that
would be inserted above the reference nodes exist below the original
nodes.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ER012 - Reference not allowed (cross reference) ?

  The SAP error message ER012, which states "Reference not allowed (cross reference)," typically occurs in the context of material management or inventory management when there is an attempt to create a reference to a document or item that is not permitted due to certain constraints or settings in the system.
  Causes:
  
  Cross-Document Reference Restrictions: The system may have restrictions on referencing certain documents or items across different document types or categories.
  Configuration Settings: The configuration settings in the SAP system may not allow for cross-references between certain types of documents or materials.
  Document Status: The document you are trying to reference may be in a status that does not allow for further references (e.g., it may be locked or completed).
  Data Integrity Issues: There may be issues with the data integrity or consistency in the database that prevent the reference from being established.
  
  Solutions:
  
  Check Configuration Settings: Review the configuration settings in the SAP system related to document types and cross-references. Ensure that the settings allow for the type of reference you are trying to create.
  Review Document Status: Check the status of the document you are trying to reference. If it is locked or completed, you may need to unlock it or create a new document.
  Use Correct Document Types: Ensure that you are using the correct document types that are allowed to reference each other. Refer to the SAP documentation or consult with your SAP administrator for the correct document types.
  Data Consistency Check: Perform a data consistency check to ensure that there are no underlying issues with the data that could be causing the error.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be patches or updates that resolve known issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as SE11 (Data Dictionary), SE37 (Function Module), or SE80 (Object Navigator).
  SAP Documentation: Refer to the official SAP documentation for detailed information on document types, cross-references, and configuration settings.
  User Forums and Communities: Engage with SAP user forums and communities where similar issues may have been discussed, and solutions shared.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant who can provide more in-depth analysis and assistance.