Depr. area & is deactivated or not in asset class &

What causes this issue?

Depreciaton area &V1& is deactivated in asset class &V2&.

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?

Reactivate this depreciation area in this asset class. You should
not deactivate depreciation areas in an asset class, if assets or
depreciation simulation data was already maintained for this asset
class.

Error message extract from SAP system. Copyright SAP SE.