How To Fix WA603 - Object type & not allowed for automatic type linkage

WA603 - Overview

• Message type: E = Error

• Message class: WA - Messages from Workflow Event Manager

• Message number: 603

• Message text: Object type & not allowed for automatic type linkage

What causes this issue?

A type linkage cannot be entered automatically for the specified object
type since the receiver function module is not known.

System Response

The action was aborted. Neither an instance linkage nor a type linkage
was created.

How to fix this error?

Automatic type linkages are only possible for the two object types
WORKITEM and EVENTITEM.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WA603 - Object type & not allowed for automatic type linkage ?

  The SAP error message:
  WA603 Object type & not allowed for automatic type linkage
  
  Meaning / 
  Cause:
  This error occurs when you try to perform an automatic type linkage (automatic assignment or linking of object types) in SAP, but the object type you are attempting to link is not permitted for this automatic process. In other words, the system does not allow the specified object type to be automatically linked to another object type because it is either restricted or not configured for such linkage.
  Automatic type linkage is often used in scenarios like document management, classification, or object linking where certain object types can be automatically connected based on predefined rules or customizing.
  
  Common Scenarios:
  
  When linking equipment, functional locations, or other technical objects automatically in Plant Maintenance (PM).
  During automatic assignment of document types or classification objects.
  When using automatic object linking in Engineering Change Management (ECM) or Document Management System (DMS).
  
  
  Possible Causes:
  
  The object type you