How To Fix SWF_SLS006 - &1 is not a valid callback class

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_SLS - Message Class for Deadline Monitoring (Deadline Service)

• Message number: 006

• Message text: &1 is not a valid callback class

What causes this issue?

The deadline to be created has the incorrect callback class. Callback
classes must implement a callback interface.

System Response

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

How to fix this error?

Enter a callback class that implements a deadline monitoring callback
interface.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.