Error after updating Azure Functions Core Tools to version 4.0.6594

Question

Error after updating Azure Functions Core Tools to version 4.0.6594

Navaneeth Keshavamurthy 30

4.0.6594

[INFO] Azure Functions Core Tools found.

Azure Functions Core Tools

Core Tools Version: 4.0.6594 Commit hash: N/A +48490a7ee744ed435fdce62f5e1f2f39c61c5309 (64-bit)

Function Runtime Version: 4.1036.1.23224

Could not load file or assembly 'Microsoft.Azure.WebJobs.Script.Abstractions, Version=1.0.0.0, Culture=neutral, PublicKeyToken=3c5b9424214e8f8c'. The system cannot find the file specified.

[ERROR]

[ERROR] Failed to run Azure Functions. Please checkout console output.

[INFO] ------------------------------------------------------------------------

[INFO] BUILD FAILURE

[INFO] ------------------------------------------------------------------------

Accepted answer

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Answer 1

LeelaRajeshSayana-MSFT 17,766 Moderator

Hi @Navaneeth Keshavamurthy Greetings! Welcome to Microsoft Q&A forum. Thank you for posting this question here.

The issue could most likely be caused by some versioning conflicts in the system after the update. Try reinstalling Azure Functions Core Tools to ensure that all components are correctly installed. You can uninstall and reinstall the tools using the following commands:

npm uninstall -g azure-functions-core-tools
npm install -g azure-functions-core-tools@4 --unsafe-perm true

Close out the VS Code or the IDE you are using and relaunch it. This should resolve the issue.

If you continue to face any issues even after trying the above steps, please let us know in the comments below and we would be glad to assist you further.

If the response helped, please do click Accept Answer and Yes for the answer provided. Doing so would help other community members with similar issue identify the solution. I highly appreciate your contribution to the community.

Navaneeth Keshavamurthy 30 Reputation points

2024-11-14T00:52:03.3466667+00:00

I had used Windows installer (MSI) to install Core Tools v4.x.

Also ,the version was updated through vscode . Not sure if this will fix the issue by installing again through msi
LeelaRajeshSayana-MSFT 17,766 Reputation points Moderator

2024-11-15T22:24:07.9866667+00:00

Hi @Navaneeth Keshavamurthy There was a similar issue reported in the past with the same error. Multiple users found reinstalling the Core tools seemed to help. Please let us know if you still experience the issue after trying this recommendation. We can connect with you offline and offer additional assistance.
Navaneeth Keshavamurthy 30 Reputation points

2024-11-17T21:53:46.5066667+00:00

Hi @LeelaRajeshSayana-MSFT ,The issue is fixed after installing the latest azure core tools . Thanks a lot for your assistance.
LeelaRajeshSayana-MSFT 17,766 Reputation points Moderator

2024-11-18T17:07:21.5566667+00:00

Hi @Navaneeth Keshavamurthy I am glad to learn that the issue is resolved. Please do click Accept Answer and Yes for the answer, as it might be beneficial to other community members reading this thread. And, if you have any further query do let us know. Thank you

Answer 2

Mike Hartman 0

The exact same error will still occur after getting the latest azure function tools and if your on net 8 and have not upgrades to isolated process mode. You must add the following setting in you local.settings.json file or to your app in azure: "FUNCTIONS_INPROC_NET8_ENABLED": "1",

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Error after updating Azure Functions Core Tools to version 4.0.6594

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