How to Fix 'go: updates to go.mod needed, disabled by -mod=readonly' Error in VS Code's Go Extension?

Troubleshooting Go Extension Loading Issue in VS Code Due to go.mod Read-Only Error

Users encountering the "Error loading workspace: err: exit status 1: stderr: go: updates to go.mod needed, disabled by -mod=readonly : packages.Load error" error when trying to load a Go project in VS Code may be experiencing a read-only mode issue.

Cause of the Error:

The error indicates that the go.mod file, which contains module information for the project, is in read-only mode due to the "-mod=readonly" flag. This prevents the Go extension from making updates to the file, leading to the loading error.

Solution:

To resolve the error, run the following command manually in the terminal:

go mod tidy

This command will update the go.mod file and fix the read-only issue.

Additional Notes:

While the error has been resolved, it's advisable to determine the underlying cause to prevent similar issues in the future. It's possible that a project configuration setting or a specific action triggered the read-only mode. Checking these settings and ensuring proper permissions for the go.mod file can help mitigate potential problems.

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