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"The target Page \"Customer List\" for the extension object is not found"

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Posted on by Huggins Mafigu

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I'm trying to setup my local development environment. I installed Business Central Development environment with Developer Services enabled. Below are my screens.

I'm new to Business Central coming from a background of Finance and Operations

1205.Launch.png 3731.App.png

After changing the tenant in HelloWorld then the error changes to:

[2020-09-17 15:54:55.38] Using reference symbols cache path: c:\Users\Administrator\Documents\D365BusinessCentral\FirstApp\./.alpackages

[2020-09-17 15:54:55.38] Sending request to localhost:7049/.../packages

[2020-09-17 15:54:55.39] Sending request to localhost:7049/.../packages

[2020-09-17 15:54:55.41] The request for path /BC150/dev/packages?publisher=Microsoft&appName=System%20Application&versionText=16.0.0.0 failed with code NotFound. Reason: No published package matches the provided arguments.

[2020-09-17 15:54:55.42] The request for path /BC150/dev/packages?publisher=Microsoft&appName=Base%20Application&versionText=16.0.0.0 failed with code NotFound. Reason: No published package matches the provided arguments.

[2020-09-17 15:54:55.42] The request for path /BC150/dev/packages?publisher=Microsoft&appName=System&versionText=16.0.0.0 failed with code NotFound. Reason: No published package matches the provided arguments.

[2020-09-17 15:54:55.42] 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.

Microsoft (R) AL Compiler version 5.0.5.8080

Compilation started for project 'Awesome First App' containing '1' files at '15:54:55.436'.

error AL1045: The package cache c:\Users\Administrator\Documents\D365BusinessCentral\FirstApp\./.alpackages could not be found.

Compilation ended at '15:54:55.439'.

Error: The package could not be created.

Any help is appreciated

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Khushbu Rajvi. 16,335 Super User 2025 Season 1 on at

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"The target Page \"Customer List\" for the extension object is not found"

If this helps:https://github.com/Microsoft/AL/issues/1953

https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/developer/devenv-page-ext-object
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Ramiz 587 on at

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"The target Page \"Customer List\" for the extension object is not found"

Try changing your platform number. Try 1.0.0.0 or 0.0.0.0 and see if it works
AN-06030908-0 4 on at

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"The target Page \"Customer List\" for the extension object is not found"

Hello, I got the same problem. Any suggestions on how to fix it. I dont have any dependency in my App.json files.
Huggins Mafigu 480 on at

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RE: "The target Page \"Customer List\" for the extension object is not found"

Ok, On setting up I was following this one when I got into this problem, www.youtube.com/watch . The difference is that I'm setting up on my laptop and am trying to fix it to no avail.
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THE Italian on at

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RE: "The target Page \"Customer List\" for the extension object is not found"

You might subscribe to this development video series

www.youtube.com/watch

The ones that would give you the best insight, at this stage, are (in progressive order)

www.youtube.com/watch

www.youtube.com/watch

www.youtube.com/watch

www.youtube.com/watch

www.youtube.com/watch
Huggins Mafigu 480 on at

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RE: "The target Page \"Customer List\" for the extension object is not found"

Yes, I do note have symbols downloaded, so wanted help on how to setup BC for development on localhost
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THE Italian on at

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RE: "The target Page \"Customer List\" for the extension object is not found"

You have to be in touch with some other of your developers. The issue here is that you do not have symbols downloaded hence you are not able to build/compile any package (app). I would suggest you to read this book first

www.amazon.it/.../B07GXFGBD4