Transaction key &1 does not exist

What causes this issue?

The <DS:DE.KTOSL>transaction key</> specified in the error message
could not be found in taxes <GL:Customizing>Customizing</>.

System Response

The current transaction cannot be carried out.

How to fix this error?

INCLUDE NA_SYSADMIN1

Procedure for System Administrators

Define the settings for the taxation procedure for the transaction key
specified.
INCLUDE FI_NA_F5

Error message extract from SAP system. Copyright SAP SE.