1. Sign in to the database with a user who has Sage 300 administrator rights.
2. Open Common Services.
3. Open Fiscal Calendar.
4. Select the appropriate fiscal year.
5. Double-click the Unlock column for the period that you want to lock or unlock.
6. Repeat the previous step for each period that you want to update.
7. Click Save.

After you update the period status, try posting the subledger batch again.

[BCB:158:Chat 300 US:ECB]