Verify the beginning balances are locked, and note the date:

  1. From the General Ledger, select Configuration, Funds.
  2. Open the fund you are posting to.
  3. To the right of the fund ID, it will say:  "Beginning balances entered as of XX/XX/XXXX are locked" or "Beginning balances are not locked." 
    If the balances have been locked, post on or after the lock date. 

    If the beginning balances are not locked:
     
  4. Lock the beginning balances for the Fund that the activity is posted for.
  5. Post to General Ledger.