Bug in validation of Vendor Contract Line Subpage (8078, ListPart) SaaS BC 26.5

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Posted on by TarikJerkovich

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Dear community,

I found a potential issue in the Vendor Subscription Contract – Lines page.

On the lines, there are three predefined Type options: Comment, Item, and G/L Account.

However, when selecting Type = Comment, the system unexpectedly tries to validate the table Item, which triggers the following error (see screenshot below):

Could someone please confirm if the same behavior occurs in your SaaS environment as well?

It looks like the system is incorrectly validating the “Comment” type as if it were an “Item” type.

Thank you in advance!

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Dynamics 365 Business Central

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Teagen Boll 1,376 Super User 2026 Season 1 on at

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I tested this in a SAAS v26.4 environment and there is the same error. The No. field runs validation on the default Type (Item). This module is also quite new and was added recently so Microsoft may have to change how validation works if Type = Comment. The error message should be changed because it is a bit missleading.

To avoid the error you would not enter the No. field, you would enter a description in the Subscription Description and/or Line Description fields:

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YUN ZHU 99,055 Super User 2026 Season 1 on at

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Hi, This is indeed an issue. However, if the Type is "Comment," you can directly input the Subscription Description. For now, this is the only way to work around it.

Thanks.

ZHU

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OussamaSabbouh 12,766 Super User 2026 Season 1 on at

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Hello,

Yes, it’s a bug, when Type = Comment, BC wrongly validates the Item No. field. Test it in a clean sandbox; if it still happens, report it to Microsoft as a subscription billing defect.

Regards,
Oussama Sabbouh

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TarikJerkovich 293 on at

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Thanks all for answers and confirmation.

As I learned comment need to validate table Standard text code-7.

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Sumit Singh 11,757 Super User 2026 Season 1 on at

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Hi,

This looks like a bug in the Subscription & Recurring Billing area. When a line’s Type = Comment, the No. field should not validate against Items; a Comment line’s No. behaves like a Standard Text Code selector (or you just use Description as already mentioned by YUN), so invoking Item validation is inconsistent with expected behavior.

Reporting this to Microsoft as a subscription billing defect is the right call as per me.

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