Errors In Oracle APPS

not open period in AR MODULE
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Type                 Bill to Customer Name                    Item Description                         Currency               Amount
-------------------- ---------------------------------------- ---------------------------------------- ----------- -----------------
Invoice              ABC Application Software                 Sentinel Standard Desktop - Rugged       USD                 1,900.00

  Errors:   1) Invalid Warehouse ID (WAREHOUSE_ID) (207)
            2) Unable to derive a gl date for your transaction.  Please ensure that your transaction is in a gl period which you
               have defined