How To Fix WA637 - Type linkage & & for &: Indicator for type linkage not set

WA637 - Overview

• Message type: E = Error

• Message class: WA - Messages from Workflow Event Manager

• Message number: 637

• Message text: Type linkage & & for &: Indicator for type linkage not set

What causes this issue?

The indicator denoting that the specified linkage from object type and
event to receiver type is a
<DS:GLOS.3526B0E3AFAB52B9E10000009B38F974>type linkage</> cannot be
set.

System Response

The action was aborted and the indicator remains unchanged. If the
indicator is not set, the linkage in interpreted as an
<DS:GLOS.3526B0F4AFAB52B9E10000009B38F974>instance linkage</>.

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

Procedure for System Administrators

Check whether the specified linkage exists.
INCLUDE WF_NA_EVENT_GLOBAL_FLAG OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

WA637 - Details

• Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WA637 Type linkage & & for &: Indicator for type linkage not set
  
  Meaning / 
  Cause:
  This error occurs when a type linkage is expected or referenced in the program or data dictionary object, but the indicator (flag) that activates or allows this type linkage is not set. In other words, the system expects a certain type linkage to be active or defined, but the corresponding indicator that enables this linkage is missing or not set.
  Type linkage in SAP typically refers to the connection or relationship between data types, such as between a data element and a domain, or between structures and their components.
  The placeholders & & for & in the message are replaced at runtime with specific values indicating the type linkage and the object involved.
  
  Common Scenarios:
  
  When defining or modifying data elements, domains, or structures in the ABAP Dictionary.
  When using