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Duplicate Inv No. being assigned - Error - Purchase Header does not exist

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Posted on by Micheleish

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Client ran into issue with Purchase Invoice assigning a vendor with a duplicate number, which is not allowed and returns the error Purchase Header does not exist.

How can I resolve? They have been using the same no. series as usual, nothing has changed in that regard. How can I get the number to move forward, this number has already been used with this vendor.

Thanks,

Michele Hanson

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YUN ZHU 93,872 Super User 2025 Season 2 on at

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RE: Duplicate Inv No. being assigned - Error - Purchase Header does not exist

Hi, I don't know when this problem occurred, but you can try to manually modify the Last No. Used in No. Series Lines.

Hope this helps.

Thanks.

ZHU

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Micheleish 105 on at

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RE: Duplicate Inv No. being assigned - Error - Purchase Header does not exist

Thank you for your reply ZHU, I did that as a test, and even if the number changes it still gives the same error. What I did find as a work around is choosing a different vendor that doesn't have the error to allow the invoice to come up without any errors, and then I was able to change the vendor to the one I wanted to use. Have you ever heard anything about this?

Thanks,

Michele

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DAnny3211 11,389 on at

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RE: Duplicate Inv No. being assigned - Error - Purchase Header does not exist

hi

look this

community.dynamics.com/.../error-the-sales-invoice-header-does-not-exist-identification-fields-and-values-no

DAniele

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Manan_Shah 1,459 on at

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RE: Duplicate Inv No. being assigned - Error - Purchase Header does not exist

Hi,

As per error whey BC try to create a New Purchase Invoice system get stuck with error No. not found.

Possible Purchase Header does not have the value for Posting No. Series & Posting no. And when you select a new Vendor it's updated as Purchase Header all fields are updated due to vendor change and BC have a new Posting no. Series & Posting No.

Why this happen ? Why system didn't add Posting no. Series & Posting no. on a new Document creation possible on that time Purchase & Payable setup some changes are made that Purchase Invoice no. series changed or updated with wrong no.

Hope this will help.

Many Thanks,
Manan

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YUN ZHU 93,872 Super User 2025 Season 2 on at

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RE: Duplicate Inv No. being assigned - Error - Purchase Header does not exist

This is a bit of a strange situation, does this environment contain customization?

It looks like the number is associated with the vendor.

Maybe it's a problem with this order, maybe you can recreate it and there will be no problem.

In addition, although it is not recommended, you can also try the following methods.

Manual number for Posted Sales invoice and Posted Purchase invoice

https://yzhums.com/21537/

Hope this helps.

Thanks.

ZHU

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