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Posting a Negative Purchase Credit Memo

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Posted on by AL-10120329-0

Hi all,

When I tried to post a Purchase Credit Memo with negative value, I got this error below:Amount must be positive in Gen. Journal Line Journal Template Name='',Journal Batch Name='',Line No.='0'.

May I know how do we resolve this issue?

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Dynamics 365 Business Central

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Yi Yong 2,736 Super User 2026 Season 1 on at

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Hello,

You can't have negative total amount on documents including invoices and credit memos.

Change the "Quantity" to "5" instead of "-5".

You don't need to put in negative quantity for credit memos.

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Jun Wang 8,220 Moderator on at

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It seems you are creating the purchase credit memo without linking to a purchase invoice. here is a video to refer to

https://youtu.be/gnbNWdXi_4Q

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Khushbu Rajvi. 22,551 Super User 2026 Season 1 on at

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Because negative values are not allowed. Change the "Quantity" to "5" instead of "-5".

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Valentin Castravet 32,796 Super User 2026 Season 1 on at

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As mentioned by other users its not allowed. But why are you trying to post a negative amount? Perhaps you can post an invoice with a positive amount instead?

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

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YUN ZHU 101,846 Super User 2026 Season 1 on at

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I totally agree with Valentin, why not use Invoice instead?

PS: Dynamics 365 Business Central: Move Negative Lines feature (Create a replacement order in return process)

https://yzhums.com/19957/

Thanks.

ZHU

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AL-10120329-0 10 on at

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Thanks all, if in this case i have a tax credit note that is for example, at line level:

xxxx $1485.96

xxxx $500.00

xxxx $0.00

xxxx $1494.40

xxxx $-52,638.00

-------------------------------

total: $-49,157.64

VAT: $313.23

Final Amount: $-48,844.41

How do we proceed with this tax credit note? Do we post it as an invoice from your suggestion?

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HA-09121354-0 4 on at

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Hi,

The error occurs because Business Central does not allow posting a negative value in the "Purchase Credit Memo" due to its standard logic of handling amounts.

A Purchase Credit Memo is inherently meant to reverse or reduce a purchase, so the system expects positive values for the amounts.

Enter the positive values in the credit memo, Business central automatically interprets these amount as a credit (negative) during posting.

Thanks,

Hamsavardhini A

Congruent Infotech - https://www.congruentsoft.com/

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