Enter depreciation start date

What causes this issue?

When taking over old assets data, the system expects entries for the
depreciation start dates for ordinary depreciation, special
depreciation or interest calculation.

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?

Enter a depreciation start date
or
Use the function 'Determine dep.start' under the menu bar 'Edit', which
determines the start date date for all the depreciation areas from the
capitalization date.

Error message extract from SAP system. Copyright SAP SE.