After code is corrected and saved, previous error/problem is still persistent about vscode-crystal-lang HOT 7 OPEN

Can you post the full output of the Crystal output channel?

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The output tab is blank.

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You need to select "Crystal" from the dropdown at the top right of the panel

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[Crystal] extension loaded
[Hover] getting context...
[Dependencies] epub_reader $ /usr/bin/crystal tool dependencies /home/cynthia/projects/crystal/epub_reader/src/epub_reader.cr -f flat --no-color
[Hover] error: undefined
[Hover] getting context...
[Dependencies] epub_reader $ /usr/bin/crystal tool dependencies /home/cynthia/projects/crystal/epub_reader/src/epub_reader.cr -f flat --no-color
[Hover] error: undefined
[Dependencies] epub_reader $ /usr/bin/crystal tool dependencies /home/cynthia/projects/crystal/epub_reader/src/epub_reader.cr -f flat --no-color
[Dependencies] error: In src/epub_reader.cr:1:24

1 | def testing_ext(file : string)
^
Error: unexpected token: "string"

[Problems] (epub_reader) $ /usr/bin/crystal build src/epub_reader.cr --no-debug --no-color --no-codegen --error-trace -f json -o /dev/null
[Problems] Error: [{"file":"/home/cynthia/projects/crystal/epub_reader/src/epub_reader.cr","line":1,"column":24,"size":null,"message":"unexpected token: "string""}]

[Hover] getting context...
[Dependencies] epub_reader $ /usr/bin/crystal tool dependencies /home/cynthia/projects/crystal/epub_reader/src/epub_reader.cr -f flat --no-color
[Dependencies] error: In src/epub_reader.cr:1:24

1 | def testing_ext(file : string)
^
Error: unexpected token: "string"

[Hover] error: undefined
[Problems] (epub_reader) $ /usr/bin/crystal build src/epub_reader.cr --no-debug --no-color --no-codegen --error-trace -f json -o /dev/null
[Problems] Error: [{"file":"/home/cynthia/projects/crystal/epub_reader/src/epub_reader.cr","line":1,"column":24,"size":null,"message":"unexpected token: "string""}]

[Hover] getting context...
[Dependencies] epub_reader $ /usr/bin/crystal tool dependencies /home/cynthia/projects/crystal/epub_reader/src/epub_reader.cr -f flat --no-color
[Dependencies] error: In src/epub_reader.cr:1:24

1 | def testing_ext(file : string)
^
Error: unexpected token: "string"

[Hover] error: undefined
[Problems] (epub_reader) $ /usr/bin/crystal build src/epub_reader.cr --no-debug --no-color --no-codegen --error-trace -f json -o /dev/null
[Problems] Error: [{"file":"/home/cynthia/projects/crystal/epub_reader/src/epub_reader.cr","line":1,"column":24,"size":null,"message":"unexpected token: "string""}]

[Hover] getting context...
[Dependencies] epub_reader $ /usr/bin/crystal tool dependencies /home/cynthia/projects/crystal/epub_reader/src/epub_reader.cr -f flat --no-color
[Dependencies] error: In src/epub_reader.cr:1:24

1 | def testing_ext(file : string)
^
Error: unexpected token: "string"

[Hover] error: undefined
[Problems] (epub_reader) $ /usr/bin/crystal build src/epub_reader.cr --no-debug --no-color --no-codegen --error-trace -f json -o /dev/null
[Problems] Error: [{"file":"/home/cynthia/projects/crystal/epub_reader/src/epub_reader.cr","line":1,"column":24,"size":null,"message":"unexpected token: "string""}]

[Dependencies] epub_reader $ /usr/bin/crystal tool dependencies /home/cynthia/projects/crystal/epub_reader/src/epub_reader.cr -f flat --no-color
[Hover] getting context...
[Dependencies] epub_reader $ /usr/bin/crystal tool dependencies /home/cynthia/projects/crystal/epub_reader/src/epub_reader.cr -f flat --no-color
[Hover] error: undefined

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The above is from changing "String" to "string" then back. (saving file in between actions.)

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Thank you. In the meantime for things to work you can disable a lot of the features to just use snippets and syntax highlighting. Check this repo's README for more info

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I've also run into some weird ghosting with Crystal sometimes recently. Does it still happen if you try building from the command line? crystal clear_cache may help.

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