Main.xaml language 'VisualBasic' is incompatible with project's language 'CSharp'. This configuration is not supported

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Try this possible solution:

  1. Open the .xaml in Studio (double click on the .xaml file).

  2. Close the UiPath Studio application.

  3. Open the generated project.json file and look for

"expressionLanguage": "CSharp"

and replace it with

"expressionLanguage": "VisualBasic"

  1. Save the project.json file and close it.

  2. Reopen the .xaml file in UiPath Studio.

Let us know if you still have the error after performing the above.

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