SAP Message AXT_MODEL158 - Create a target UI component in AXTSYS before creating table enhancements

Diagnosis
For each table enhancement, a UI view and window are generated.
These generated objects have to be put into a special UI component thatoriginates in the system where the enhancement is to be created.
In this system, there is no such UI component available.

System Response
The creation of new table enhancements is not possible.

Procedure
For each system where you want to create table enhancements, you need tocreate at least one UI component.
The creation of several UI components is possible where one of them isused by default. You can choose a different UI component for anenhancement if you switch to the expert mode.
Log on to the CRM system and start transaction AXTSYS.
Click Create UI Component in the toolbar.
Specify a name for the UI component and specify a transport request ifrequired.
Note: Use the same transport request for your enhancements, or releasethe transport request before you create enhancements.