'string' does not contain a constructor that takes 0 arguments

'string' does not contain a definition for 'Add' and no accessible extension method 'Add' accepting a first argument of type 'string' could be found (are you missing a using directive or an assembly reference?)

Cannot implicitly convert type 'float' to 'char'

Cannot implicitly convert type 'float' to 'char'

Cannot implicitly convert type 'float' to 'char'

Cannot implicitly convert type 'float' to 'char'

Cannot implicitly convert type 'float' to 'char'

Cannot implicitly convert type 'float' to 'char'

Cannot implicitly convert type 'float' to 'char'

Cannot implicitly convert type 'float' to 'char'

The following actions use a deprecated Node.js version and will be forced to run on node20: actions/checkout@v3, actions/setup-dotnet@v2. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/