AR journal imported in GL have blank in the end of journal line description

Dear friends,

we are in R12.1.3,we have a primary ledger and a Secondary Ledger, when we create accounting for AR transaction or receipts, i check the field xla_ae_lines.description have blank in the end for the primary ledger and the Secondary Ledger,but the journals imported into GL have the blank in end of the journal line description for the Secondary Ledger,but not for Primary Ledger. that cause we cannot update the secondary ledger AR journals

Could you please help me?

Bruce