1:1 mapping and VLMP entries cannot be used at the same time

What causes this issue?

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

System Response

How to fix this error?

Check the following settings in the activity: <DS:SIMG.CMAP_VC>set up
model for semantic mapping</>:
In the navigation step <LS>maintain attribute mapping</>, check whether
the <DS:DE.CMAP_VL121>direct value mapping</> indicator is set
correctly.
If the indicator is set correctly, then no further settings are
necessary.
The navigation step <LS>generate target value from one source value</>
is only necessary if the attribute value in the target system is
generated directly from the attribute value in the source system.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.