[Bug]: Query failed: Object reference not set to an instance of an object.

[nmakela]

Description

When I try to run any query, even just Select top 1000, I get this exception:

9:00:27 AM
Started executing query at Line 1
Query failed: Object reference not set to an instance of an object.
Total execution time: 00:00:00.454

When this started:
This started to happen last week, and few weeks ago, the entire login using Microsoft Entra MFA broke down. So I think these are somehow linked.

Console output when trying to login, select a table to perform query:

Also:
languageDetectionWebWorker.ts:241 ReferenceError: require is not defined
at r.f.require (index.js:2:702403)
at index.js:2:702071
at Array.reduce ()
at r.e (index.js:2:702049)
at n.loadModel (index.js:2:705059)
at n.runModel (index.js:2:705351)
at n.detectLanguagesImpl (languageDetectionWebWorker.ts:239:41)
at async u (languageDetectionWebWorker.ts:54:21)
at async n.$detectLanguage (languageDetectionWebWorker.ts:81:19)

Steps to Reproduce

How to reproduce this:

• Make new MS SQL Server, for example to Azure, and have tables with encrypted columns. Encryption method: Deterministic, references Azure Key Vault key.
• Use Azure CLI to authenticate yourself for the encryption keys, located in Azure Key Vault
• Try to query tables with encrypted values.

Affected Area

• Connection dialog (SQL Server | Azure browse/Fabric browse)
• Query editor
• Query results panel
• Object Explorer
• GitHub Copilot integration
• Preview/Edit data
• Table Designer
• Schema Designer
• Schema Compare
• Local SQL Server Container provisioning
• SQL database in Fabric provisioning
• DACPAC/BACPAC export/import
• SQL Database projects
• Query Plan Visualizer
• Other (please describe below)

If you selected "Other", please describe the affected area

No response

Environment Information

Version: 1.118.1 (Universal)
MacOS Tahoe 26.4.1
SQL Server version: 1.42.1

Confirmation

• I have searched existing issues and couldn't find a match
• I want to work on this issue