How To Fix WA160 - No change document object for business object type &1

SAP Error Message - Details

• Message type: E = Error

• Message class: WA - Messages from Workflow Event Manager

• Message number: 160

• Message text: No change document object for business object type &1

What causes this issue?

You want to create an event linkage for a business object type with a
change document object. However, no compatible change document object
is available for the specified business object type.

System Response

The linkage cannot be defined.

How to fix this error?

The business object type required may have a change document object
with an incompatible key. Enter a problem message and send it to SAP
(BC-BMT-WFM). Specify all information regarding the business object
type/change document object (name, key structure, etc.) in this problem
message.
There may be no change document object for the business object type
specified. If a change document object is to be defined, contact SAP
with a problem message as well.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.