Spec. dep. start date & should no longer be changed (Please check)

What causes this issue?

The special depreciation start date &V1& has been changed.

System Response

This system allows you to make this change. Depreciation calculation is
dependent on the depreciation start date. The depreciation is effected
by this change.

How to fix this error?

A. Confirm that the change to the special depreciation start date is
correct.
B. When taking over old assets data, check the expired useful life, and
if necessary, correct this if old assets data was not acquired in
the current (open) fiscal year.

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

Error message extract from SAP system. Copyright SAP SE.