Why Does My VS Code Go Extension Fail to Load Due to 'go.mod' and How Can I Fix It?

Go Extension Loading Failure in VS Code: Resolving the "go.mod" Conundrum

In the realm of programming, troubleshooting can often feel like navigating a labyrinth of error messages. One such perplexity arises when the VS Code Go extension refuses to load, accompanied by a puzzling message about "updates to go.mod."

This particular conundrum, previously encountered in our forums, has now surfaced again. A developer working with Go 1.15.7 reported encountering the error:

Error loading workspace: err: exit status 1: stderr: go: updates to go.mod needed, disabled by -mod=readonly : packages.Load error

Scrutinizing the message, one can deduce that a read-only mode is hindering the extension's operation. Despite attempts to modify the file permissions of "go.mod," the issue persisted.

In this perplexing situation, a simple solution arose unexpectedly: manually executing the command "go mod tidy." This quick fix resolved the error, allowing the extension to load successfully.

However, the underlying cause of this issue remains shrouded in mystery. It is unclear what triggered the read-only mode or why the extension requires manual intervention to function properly. Further investigation is necessary to fully unravel this programming enigma.

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