How To Fix FMCF714 - Predecessor reference for subitems is not unique

FMCF714 - Overview

• Message type: E = Error

• Message class: FMCF -

• Message number: 714

• Message text: Predecessor reference for subitems is not unique

What causes this issue?

When using the subitems (<DS:DE.CC_RFKNT>account assignment IDs</>,
categories, or conditions) the identification of predecessor document
items is possibly not unique. The chain structure is therefore not
defined properly as each chain should have a unique source document.

System Response

The system checks whether a unique chain assignment is possible with the
participating line items. If this is not possible, the line items cannot
be processed.

How to fix this error?

Do not use the report for MM documents that contain account assignment
IDs, categories, or conditions.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message FMCF714 - Predecessor reference for subitems is not unique ?

  The SAP error message FMCF714, which states "Predecessor reference for subitems is not unique," typically occurs in the context of project management or financial management within SAP, particularly when dealing with subitems in a hierarchy or when managing dependencies between items.
  
  Cause:
  This error arises when there are multiple subitems that reference the same predecessor item, leading to ambiguity in the system. In other words, the system expects each subitem to have a unique predecessor, but it finds that more than one subitem is linked to the same predecessor, which violates the uniqueness constraint.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Subitem Configuration: Review the configuration of the subitems in question. Ensure that each subitem has a unique predecessor. You may need to adjust the relationships between items to ensure that no two subitems point to the same predecessor.
  
  
  Modify Item Relationships: If you find that multiple subitems are indeed referencing