Price too low (below tolerance limit of & &)

What causes this issue?

The invoice price (value invoiced divided by the quantity invoiced)
varies too greatly from the net order price.
IF &[SWITCH]S4H_DOCU_ON_PREMISE& = 'X'.
INCLUDE MM_IV_MELDUNGEN OBJECT DOKU ID TX
ENDIF.

System Response

The system has established that the value invoiced falls short of the
expected value (quantity invoiced * net order price) by more than the
tolerance for price variance (&V1& &V2&).
IF &[SWITCH]S4H_DOCU_ON_PREMISE& = 'X'.
This tolerance is set in the Customizing system.
ENDIF.

How to fix this error?

Check what you have entered and make any necessary corrections.

Error message extract from SAP system. Copyright SAP SE.