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Duplicate Voucher No./ Document No.

Cause

Multiple vouchers have the same voucher or document number.

Resolution

1. Drill down from the section to identify the duplicate vouchers.
   
2. Open one of the duplicate vouchers, preferably the one that has not been exchanged with the e-Invoice system.
3. In the Accounting Voucher Alteration screen, update the Voucher Number or Document Number.
4. Press Ctrl+A to save the voucher.