Country/Region error while Opening Purchase Documents list

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Hi community,

I'm facing an error when I try to open purchase documents (Purchase invoice, purchase order etc) I just checked all country region codes on sales documents and purchase documents and found that each document have assigned coutry region code.

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Dynamics 365 Business Central

Microsoft Dynamics NAV

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Aman Kakkar 2,977 Super User 2026 Season 1 on at

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Hi,

It seems like a custom code that's throwing error. You can either use debugger to find the root cause, or you can click on Show Details -> Copy Error Details, and paste the error here in the reply post.

Hope this helps,

Aman K

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DynamicsBC 272 on at

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Hi @Aman Kakkar

Please find the error detail.

If requesting support, please provide the following details to help troubleshooting:

Error message:
You must specify a country or region.

Internal session ID:
8773ac20-f07d-4567-ab32-54db1b7188ec

Application Insights session ID:
a43e1a4c-0c46-4cd8-abd3-0321a75a0c67

Client activity id:
97c24b57-9f3a-4b8a-9c83-98ddce72d32d

Time stamp on error:
2025-11-13T06:24:23.0288322Z

User telemetry id:
a2ab4977-fdea-486e-b3c6-bc1754327244

AL call stack:
"Country/Region"(Table 9).IsEUCountry line 8 - Base Application by Microsoft version 27.0.38460.42006
"Sust. CaptionClass Mgt"(CodeUnit 6278).IsEUCountry line 7 - Sustainability by Microsoft version 27.0.38460.41512
"Sust. CaptionClass Mgt"(CodeUnit 6278).CurCaptionClassTranslate line 83 - Sustainability by Microsoft version 27.0.38460.41512
"Sust. CaptionClass Mgt"(CodeUnit 6278).ResolveCaptionClass line 3 - Sustainability by Microsoft version 27.0.38460.41512
"Caption Class"(CodeUnit 42).OnResolveCaptionClass(Event) line 2 - System Application by Microsoft version 27.0.38460.41085
"Caption Class Impl."(CodeUnit 55).ResolveCaptionClass line 11 - System Application by Microsoft version 27.0.38460.41085
"Caption Class Impl."(CodeUnit 55).DoResolveCaptionClass line 2 - System Application by Microsoft version 27.0.38460.41085
"UI Helper Triggers"(CodeUnit 2000000004).CaptionClassTranslate(Event) line 2

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OussamaSabbouh 11,297 Super User 2026 Season 1 on at

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Hello,

This error usually means the Country/Region Code is missing somewhere in the related master data, not on the purchase document itself.

Here are the most common places where it’s missing:

1. Vendor Card

Check: Vendor → Address → Country/Region Code

2. Company Information

Check: Company Information → Country/Region Code
(very common cause)

3. Ship-to Address

If using a custom ship-to:
Ship-to Address → Country/Region Code

4. Customer/Vendor Templates

If the document was created from a template missing the country code, BC throws this error.

5. VAT / Tax Setup Extensions

Some localizations also require country/region fields in tax-related tables.

Fixing one of these almost always resolves the issue.

Regards,
Oussama Sabbouh

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Pallavi Phade 5,292 Super User 2026 Season 1 on at

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Namaste @DynamicsBC

As per error shared the procedure ISEUCountry is being called. This Procedure is in Country Table . If the Country region is not present it will give error as mentioned in below label

Can you verify its EU region ?

kindly check the masters , as VAT reporting plays an important role for EU countries .

Regards

Pallavi Phade

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TarikJerkovich 293 on at

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Hi,

The error is raised by the Sustainability extension while resolving a caption class that checks if a country is in the EU: Country/Region (Table 9).IsEUCountry. If any related address has an empty Country/Region Code, BC throws “You must specify a country or region.” even when opening the document.
Where to fill Country/Region Code (check all):

Company Information → Address → Country/Region Code

Vendor on the document

Buy-from and Pay-to addresses

Vendor → Addresses (any additional addresses)

Location used on the document (Receive-from/Ship-from address)

Responsibility Center (if the document uses one)

Ship-to Address on the document (if overridden)

Quick way to find the culprit:

Open the purchase document and note Buy-from Vendor No. / Pay-to Vendor No. / Location Code / Responsibility Center.

Open each of those cards and make sure Country/Region Code is populated in the Address FastTab.

Also verify Company Information.

If it still persists

As a temporary workaround, disable the Sustainability extension (or its features) in Extension Management.

Proper fix: ensure Country/Region Code is filled on every related address.

KR

Tarik Jeković

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Jainam M. Kothari 15,668 Super User 2026 Season 1 on at

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Hello,

Need to ensure the Vendor card has a Country/Region Code populated, check Company Information and any custom addresses, and update missing codes in bulk if needed using a configuration package or script.

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YUN ZHU 98,231 Super User 2026 Season 1 on at

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It's recommended to have the developers debug it directly, as this will help pinpoint the problem quickly.

Thanks.

ZHU

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DynamicsBC 272 on at

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Thanks to everyone.

The error has been fixed.

Actually one of team member changed the country region code in Business Central from PK to PAK and also in Business Central admin center was PK. so when I changed the country region code from PK (Same in Admin center) the error has gone.

Again thanks to everyone.

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