How To Fix WA639 - Type linkage between & & and &: No entry found

WA639 - Overview

• Message type: E = Error

• Message class: WA - Messages from Workflow Event Manager

• Message number: 639

• Message text: Type linkage between & & and &: No entry found

What causes this issue?

The specified linkage from object type and event to receiver type was
not found.

System Response

The action was aborted.

How to fix this error?

INCLUDE NA_WF-ADMINISTRATOR OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WA639 - Type linkage between & & and &: No entry found ?

  Certainly! Here's a detailed explanation of the SAP error message:
  
  SAP Error Message:
  WA639 - Type linkage between & & and &: No entry found
  
  Meaning / 
  Cause:
  This error occurs when the system tries to find a type linkage (relationship) between two object types (e.g., business objects, classes, or other SAP repository objects) but cannot find an entry that defines this linkage in the relevant tables.
  In SAP, type linkages define relationships between different object types, such as inheritance, associations, or dependencies. The system uses these linkages to understand how objects relate to each other, for example, when navigating object hierarchies or performing consistency checks.
  Typical causes include:
  
  Missing or incomplete entries in the type linkage tables (e.g., table TADIR, TADIR or other related tables like TOBJ or TOBJ_TLINK).
  Custom or standard objects that have not been properly linked or registered.
  Inconsistent or corrupted repository data.
  Transport or upgrade issues where type linkage entries were not properly imported or