SAP Message AA689 - Posting has already been performed in the last posting period &

Diagnosis
Posting has already been performed to the last posting period &V1& infiscal year &V2&. You can only perform repeat runs in this period.

Procedure
Check your entries. Since postings have been made to the last postingperiod, you can either perform a repeat run in this period, or post toa new fiscal year.

1062934AW01N: Error when you display the depreciations posted
905979Error AA689 for determining period depreciation