cannot run the project and cannot open the file

Does this issue occur when all extensions are disabled?: Yes/No

- VS Code Version:
- OS Version:

Steps to Reproduce:

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Review the VS Code bug report template and gather the missing VS Code version, OS version, extension state, and concrete reproduction steps. Reproduce the failure using the reported steps, including whether the project runs and whether the file opens; the issue is ready for further work only once those symptoms and conditions are specified.

Written by the indexing model from the issue text.