How To Fix SWDP_WB_TOOL204 - No controller usages are defined. Mapping is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: SWDP_WB_TOOL - Web Dynpro: Messages for Workbench Tools

• Message number: 204

• Message text: No controller usages are defined. Mapping is not possible

What causes this issue?

Mapping is to be defined although still no controller usage is defined.

System Response

The system rejects this function.

How to fix this error?

Mapping can only be defined for an element of a context whose controller
is made known as the controller used. You can do this through the title
element "Properties".

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.