This message indicates that you have set a posting window. This is a number that represents the number of days you can continue to post to the general ledger/project grant since the last closed period.
 
Example: Ending date of last closed period: 9/30/2003
                 Posting Window: 15
                 Business Date:    10/15/2003 - System will allow posting.
                 Business Date:    10/16/2003 - System will not allow posting. This date is outside of the posting window range.
 
To resolve this you can do any one of the following:
     1. Change your business date to a date within the posting window.
     2. Turn off the posting window.
     3. Increase the number of days in the posting window.
     4. Close a more recent period to data entry.
 
To turn off or adjust the posting window:
     1. Using the Modules bar or the Menu bar, select General Ledger/Project Grant -> Maintenance -> Global Settings.
     2. Change the number to 0 if you do not want to use the Posting Window feature, or increase the number of days to make the window longer.
     3. Click Ok.

To close a period to data entry:
     1.  Using the Modules bar or the Menu bar, select General Ledger/Project Grant -> Period Processing.
     2.  Select your ID type from the drop-down menu.
     3.  Click Close Next Period to Data Entry. 
     4.  Click Ok.