Submission target &1 is not suitable for usage in BW Workspaces anymore

What causes this issue?

The flavour of the DataStore object (advanced) has changed.

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?

Remove this DataStore Object from the BW Workspace.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.