How To Fix WA634 - Type linkage between & & and &: Insertion not possible

WA634 - Overview

• Message type: E = Error

• Message class: WA - Messages from Workflow Event Manager

• Message number: 634

• Message text: Type linkage between & & and &: Insertion not possible

What causes this issue?

The specified type linkage between object type and event and the
specified receiver type cannot be entered.

System Response

The action was terminated. The entry was not made.

How to fix this error?

Check the contents of the type linkage table using the transaction
<ds:TRAN.SWETYPV>Maintain type linkage table</>. If necessary, enter
the missing type linkage.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WA634 - Type linkage between & & and &: Insertion not possible ?

  Certainly! Here's a detailed explanation of the SAP error message:
  
  SAP Error Message:
  WA634 Type linkage between & & and &: Insertion not possible
  
  
  Cause:
  This error occurs during the modification or enhancement of SAP dictionary objects (like tables, structures, or views) when there is an attempt to insert a new field or change the structure in a way that violates the existing type linkage rules.
  Type linkage in SAP means that certain dictionary objects are linked to each other by reference or inheritance. For example, a structure might be linked to a table type or another structure. When you try to insert a new component (field) into one of these linked types, the system checks if the insertion is consistent with the linked types.
  The error indicates that the insertion of a new field or modification is not possible because it would break the type linkage between the involved dictionary objects.
  
  Typical Scenarios:
  
  You try to insert