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Visual Studio Code, AL Download symbols getting an error. - Connecting Business Central for a developer tenant.

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Posted on by Ananda

Visual Studio Code, AL Download symbols getting an error. - Connecting Business Central for a developer tenant.

I've tried

7.0 BC 2021 Release Wave 1, 6.0 BC 2020 Release Wave 2, 5.0 BC 2020 Release Wave 1, 4.0 BC 2019 Release Wave 2

and Microsoft Cloud Sandbox

All are giving same error

[2021-08-31 13:59:41.62] Using reference symbols cache path: c:\Users\Amitava\Documents\AL\ALProject1\./.alpackages

[2021-08-31 13:59:41.86] Authenticating...

[2021-08-31 13:59:48.94] Authenticated.

[2021-08-31 13:59:48.94] Authenticated as user 'spadmin@spo365tech.onmicrosoft.com'. Please note that these credentials are cached. Clear the credentials cache to authenticate as another user.

[2021-08-31 13:59:48.94] Targeting Dynamics 365 Business Central.

[2021-08-31 13:59:48.95] Sending request to api.businesscentral.dynamics.com/.../packages

[2021-08-31 13:59:48.96] Sending request to api.businesscentral.dynamics.com/.../packages

[2021-08-31 13:59:50.78] The request for path /v2.0/sandbox/dev/packages?publisher=Microsoft&appName=Application&versionText=18.0.0.0 failed with code NotFound. Reason: Not Found

[2021-08-31 13:59:50.82] The request for path /v2.0/sandbox/dev/packages?publisher=Microsoft&appName=System&versionText=1.0.0.0 failed with code NotFound. Reason: Not Found

[2021-08-31 13:59:50.84] Could not download reference symbols. Please ensure that:

1. The correct server name and instance are specified in the launch.json file.

2. The correct application version is specified in the app.json file.

3. The dependencies are correctly specified in the app.json file.

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Suggested answer

Mohana Yadav 61,248 Super User 2026 Season 2 on at

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How does your app.json look like?

do you have proper permissions to connect and download?
Ananda 15 on at

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app.json

{

"id": "3b82633d-2d00-4160-8ded-489c68bcbc74",

"name": "ALProject1",

"publisher": "Microsoft",

"version": "1.0.0.0",

"brief": "",

"description": "",

"privacyStatement": "",

"EULA": "",

"help": "",

"url": "",

"logo": "",

"dependencies": [],

"screenshots": [],

"platform": "1.0.0.0",

"application": "18.0.0.0",

"idRanges": [

{

"from": 50100,

"to": 50149

}

],

"contextSensitiveHelpUrl": "ALProject1.com/.../",

"showMyCode": true,

"runtime": "7.0"

}

User got access to - D365 EXTENSION MGT
Suggested answer

Ashish K 154 on at

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Hello Ananda,

Where are you connecting to ? Cloud sandbox or Your own local BC server ?

If you are using BC Onpremise then, check the below again in a new Project :

Select the correct BC version in VS Code which matches to your BC version

Enable Developer service End point in Config file

Ensure Server name, Server port and Authentication mode are correct in Launch.json file

If this has answered to your question then please do mark the Suggestion as Answered.
Ananda 15 on at

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Hello Ashish

I'm using Microsoft Cloud Sandbox. Not On premise.

Thanks
ManishS 86 on at

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can you show your launch file, does it have tenant define with environment type as sandbox
Ananda 15 on at

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Launch.json

{

"version": "0.2.0",

"configurations": [

{

"name": "Microsoft cloud sandbox",

"request": "launch",

"type": "al",

"environmentType": "Sandbox",

"environmentName": "sandbox",

"startupObjectId": 22,

"startupObjectType": "Page",

"breakOnError": true,

"launchBrowser": true,

"enableLongRunningSqlStatements": true,

"enableSqlInformationDebugger": true

}

]

}
ManishS 86 on at

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Added Tenant in launch and try.
Ananda 15 on at

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Hello Manish

Added Tenant , Now it's keep on asking below,

[2021-08-31 16:50:10.98] Authenticating...

[2021-08-31 16:50:11.44] Authenticated.

[2021-08-31 16:50:11.44] Please authenticate in the Visual Studio Code...

Thanks
ManishS 86 on at

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When you try to download symbol, VS code screen shows a message of a code and asks you to copy and open in browser. There you need to enter the code and authenticate your self.
Ananda 15 on at

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Thanks Maniish.

I'm getting UID, PWD options at VS Code, key in same, but keep on asking.

Please find below the log.

[2021-08-31 17:04:24.89] Using reference symbols cache path: c:\Users\Amitava\Documents\AL\ALProject1\./.alpackages

[2021-08-31 17:04:24.89] Authenticating...

[2021-08-31 17:04:25.85] Authenticated.

[2021-08-31 17:04:25.85] Please authenticate in the Visual Studio Code...

[2021-08-31 17:04:41.69] Using reference symbols cache path: c:\Users\Amitava\Documents\AL\ALProject1\./.alpackages

[2021-08-31 17:04:41.69] Authenticating...

[2021-08-31 17:04:42.68] Authenticated.

[2021-08-31 17:04:42.68] Please authenticate in the Visual Studio Code...

The authentication has been cancelled.

Thanks again