How To Fix CACS_LIABILITY020 - Incorrect reference to document header

CACS_LIABILITY020 - Overview

• Message type: E = Error

• Message class: CACS_LIABILITY - Liability

• Message number: 020

• Message text: Incorrect reference to document header

What causes this issue?

The system is attempting to access document header &v1&. However this
document header is <ZH>not </> available in the internal buffer.

System Response

The current process is canceled due to the data inconsistency.

How to fix this error?

Contact your system administrator for an analysis and solution to the
problem.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

CACS_LIABILITY020 - Details

• The SAP error message CACS_LIABILITY020 ("Incorrect reference to document header") typically occurs in the context of SAP's Contract Accounts Receivable and Payable (FI-CA) module. This error indicates that there is an issue with the reference to a document header in the system, which can arise from various reasons.
  Causes:
  
  Missing Document Header: The document header that is being referenced may not exist in the system.
  Incorrect Document Type: The document type being referenced may not be valid for the operation being performed.
  Data Inconsistency: There may be inconsistencies in the data, such as missing or incorrect entries in related tables.
  Authorization Issues: The user may not have the necessary authorizations to access the document header.
  
  Configuration Issues: There may be configuration settings in the system that are not aligned with the expected behavior for document handling.
  
  Solutions:
  
  Check Document Existence: Verify that the document header being referenced actually exists in the system. You can do this by checking