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When I scan bar code in Patron ID card during check out an 'o' is added in it and the ID is invalid. The actual ID is STU/15-18/0176 but when scanned it shows STU/O15-18/O0176. But manually it is absolutely fine. Even when I scan it in MS word window an 'O' is added. In case of barcode for book there is no problem.
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