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Please help if someone got stuck with it [emoticon:c4563cd7d5574777a71c318021cbbcc8]
Can you explain what exactly you were doing? Usually, you get this message when you try to post a voucher where exactly the same voucher number was already used before. It can be caused by having two different number sequences which are using the same pattern or a customization for importing or generating journal lines with an incorrect implementation for retrieving a next number of continuous number sequences.
Could you please elaborate what you are heading at ?
It has no use to elaborate on my answer if I don't know what you have done to get this error. Please provide details how you are able to reproduce your error.
When I try to post the journal, I got this error and I don't know why and I checked the sequence of the journal name and it is included. What else should I figure out the problem?
Can you also tell if the journal lines were created manually or using an import job or other coding?
i did it manually but i got failure and an error popped up suddenly. please help.
You can actually go to General Ledger > Inquiries and reports > Voucher transactions to see if indeed the same voucher was already used. You can then also see how this was posted (journal, sales invoice, etc..)
Potentially, you now run into the issue that there are two different number sequences having the same pattern. In that case, find both number sequences and see which one can be changed to get unique numbers. If you are using the standard Contoso demo data set or if you used the number sequence wizard to get some number sequences setup, there are indeed conflicting number sequences.
You can then decide to change the next number or the prefix to make it unique. Then you have to create a new journal to get new voucher numbers and try to post it again.
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