error msg:AA824 while posting and AUC in f-90

hi

when iam trying to post an asset under construction through f-90 the system shows this error message AA824

No accounts have been entered for depreciation area 01 for account allocation 40000 (chart of accounts 1000).

maintain accounts for depreciation area 01.

i have checked ao90 and ao93 as well i have already maintained the accounts for that then why its showing this error.

book dep method 01 accounts also given.

Kind regards

Arman

SAP FICO