Depr. area &1: Rmng. untis is negative from total unit &2 period unit &3

What causes this issue?

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

System Response

The remaining number of units, calculated from the total number of units
and the specified number of units per period, is negative . The maximum
amount which you can divide up over the individual periods is the
specified total number of units.
Please be aware of the following special case. Assume that the remaining
number of units is zero for the last maintained period in a fiscal year,
and the output for the period is greater than zero. Then the remaining
number of units for this period will be negative, which is not
displayed, however, until the following period.
If the number of units per period exceeds the total number of units,
this leads to depreciation below a book value of zero. The base method
of the unit-of-production depreciation key does not allow for
depreciation below zero, due to one of the following reasons:
+,,The corresponding indicator is not set.
+,,The book value/remaining units method is selected, which, by
definition, does not allow depreciation below zero.

How to fix this error?

Correct your entries.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.