Inconsistency in no. series of Posted sales credit memo

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Posted on by AW-29110546-0

There appears to be an inconsistency in the assignment of numbers in the posted sales credit memo series.

In my scenario, after the credit memo number 103495, the next assigned number is 103497, with a gap in between. After that, the numbers are assigned correctly in sequence. However, another inconsistency arises at 103583, where the next assigned number jumps directly to 103585.

After noticing this, I introduced a new numbering series line to take effect from September 1st onwards, and the numbering worked correctly for a while. However, after one month, I noticed that, despite the posting dates being after September 1st, the number 103496 was assigned to one document, followed by 103584 on another document. This seems unusual given the new number series should have been in effect.

Here are some key points:

The manual numbering option is enabled, date order is turned off, and allow gap is also off, with the implementation set to normal.
I compared the sequence of postings by reviewing the entry numbers for the posted lines, and they appear to be in the correct order.
I reviewed all the document dates but could not find any discrepancies or clues that would explain this behavior.

4. In the Document 103496 and 103584 posting date is after the the 1st sept.
5. First no. series was not closed because i have some document that is yet to be post in the past dates.
Given this, I am unsure why the numbers 103496 and 103584 were assigned, even though the new numbering sequence was applied after September 1st.

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Dynamics 365 Business Central

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YUN ZHU 92,422 Super User 2025 Season 2 on at

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Inconsistency in no. series of Posted sales credit memo

Hi, I hope the following information can give you some help.

Dynamics 365 Business Central: Manual number for Posted Sales invoice and Posted Purchase invoice (Use the same number in Sales Order and Posted Sales Invoice?)

https://yzhums.com/21537/

Dynamics 365 Business Central: Empty Posted Sales Invoice with only one comment “Document created to avoid gap in No. Series”? Why?

https://yzhums.com/35909/

Thanks.

ZHU

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Valentin Castravet 29,483 Super User 2025 Season 2 on at

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Inconsistency in no. series of Posted sales credit memo

It would be helpful if you showed a screenshot of your number series setup in the Sales & Receivables Page. Also, do you use sales return orders, or only sales credit memos?

Valentin Castravet
Work: Zander ERP Services
Blog: Dynamics 365 Business Central Insights
LinkedIn: www.linkedin.com/in/valentin-c-0500a247/

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AW-29110546-0 12 on at

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Inconsistency in no. series of Posted sales credit memo

Posting no. might be the reason for it because there were many document that were created but posted later,

If you can find can you please share if in what scenarios posting no. is assigned to the sales credit memo?

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Ramesh Kumar 7,511 Super User 2025 Season 2 on at

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Inconsistency in no. series of Posted sales credit memo

It was unusual behavior given that the No. series was functioning correctly. Did you check the archived credit memos to see if someone created a credit memo and then archived or deleted it for some reason?

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Yi Yong 2,429 Super User 2025 Season 2 on at

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Inconsistency in no. series of Posted sales credit memo

Hello,

"the number 103496 was assigned to one document, followed by 103584 on another document. This seems unusual given the new number series should have been in effect."

If the sales credit memo hit an error when attempting to be posted, it will reserved the Posting No. in the "Posting No." field. So when it is posted successfully, it will use back this reserved Posting No regardless of the Last Used No.

However, the reserve of "Posting No." is not for all type of errors. I can't recall the type of error where this will happens but it is very rare.

Hopefully other experts can provide the cases.

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