How To Fix WA623 - Instance linkage between & & and & & cannot be entered

WA623 - Overview

• Message type: E = Error

• Message class: WA - Messages from Workflow Event Manager

• Message number: 623

• Message text: Instance linkage between & & and & & cannot be entered

What causes this issue?

The instance linkage between the specified tuple pair (object type,
event) and the tuple pair (receiver type, receiver ID) could not be
entered.

System Response

The action was terminated, the instance linkage table was not changed.

How to fix this error?

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

INCLUDE NA_WF-ADMINISTRATOR OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

WA623 - Details

• The SAP error message:
  WA623 Instance linkage between & & and & & cannot be entered
  typically occurs in the context of SAP Variant Configuration (VC) or Classification when trying to create or maintain instance linkages between objects (such as characteristics, classes, or configuration profiles).
  
  Cause
  This error indicates that the system does not allow the creation of an instance linkage between the specified objects because:
  
  The linkage between the two instances is not permitted due to system or configuration restrictions.
  The involved objects (e.g., characteristics, classes, or configuration profiles) belong to different object types or incompatible categories.
  The linkage violates consistency rules defined in the system.
  The instances may not be properly created or activated before attempting the linkage.
  There might be a missing or incorrect assignment in the configuration model or classification.
  
  
  Solution
  To resolve this error, consider the following steps:
  
  
  Check Object Types and Compatibility:
  
  Verify that the two instances you are trying to link are compatible and allowed to