Fixed costs invalid - entry deleted

What causes this issue?

In accordance with the settings in Customizing for
<DS:GLOS.3526B5D0AFAB52B9E10000009B38F974>cost component</> &v1& in
<DS:GLOS.3526B5B8AFAB52B9E10000009B38F974>cost component structure</>
&v2&, fixed costs are not allowed.

System Response

The fixed costs that you entered were deleted.


&sys_admin&
Check the settings in Customizing for cost component &v1& in cost
component structure &v2&.

Error message extract from SAP system. Copyright SAP SE.