a special depreciation allowance is not allowed

Symptoms:
Posting results for journal batch number 00662Voucher 00663 Depreciation for fixed asset COMP-000009, book FED, already exists; a special depreciation allowance is not allowed.

Cause:

if Depreciation Transaction posted before applying Special Depreciation allowance, the error throw. Even all depreciation transactions reversed, the error is remain.

Special depreciation allowances must be taken before any other depreciation calculations

Migration:

using "Delete transactions not posted to general ledger" to delete posted depreciation.
apply special depreciation allowance