Condition type & not maintained in settlement schema &

What causes this issue?

To permit settlement accounting to be carried out for a condition
record of condition type &V1&, the condition type must be entered in
settlement schema (calculation schema) &V2&. Among other things, the
system takes the account keys for posting the income and the provision
for accrued income (if active - see Customizing, condition types) from
this entry.

System Response

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

&WHAT_TO_DO& (system administrator)
Enter condition type &V1& in the settlement schema (calculation schema)
&V2&.
IF &DEVICE&='SCREEN'
<DS:SIMG.SIMG_CFMENUOLMEKONDT>Set up condition technique</>
ENDIF

Error message extract from SAP system. Copyright SAP SE.