Customizing is inconsistent

What causes this issue?

The ABAP program &V1& ended with errors because Customizing settings are
inconsistent.

System Response

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

How to fix this error?

Start Customizing activity
<DS:TRAN.FINS_CUST_CONS_CHK>FINS_CUST_CONS_CHK</> in the affected
client to check the relevant Customizing settings. If errors occur,
follow the instructions given in the log of this transaction.
Start program &V1& again.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.