Unexpected build error on feature files when building my SpecFlow project on a new machine

[Lily Qin]

I got a bunch of build errors with my SpecFlow project when moving to a new Windows 10 machine with the latest Visual Studio 2017 installed:

Severity Code Description Project File Line Suppression State

Error CS1503 Argument 2: cannot convert from 'string[]' to 'string' SampleFunctionalTests C:\Src\ECI\Main\Test Sources\Philips.ECI.FunctionalTests\ToolValidation\SampleFunctionalTests\ReadExcel.feature 43 Active

Error CS1501 No overload for method 'OnScenarioStart' takes 1 arguments SampleFunctionalTests C:\Src\ECI\Main\Test Sources\Philips.ECI.FunctionalTests\ToolValidation\SampleFunctionalTests\ReadXml.feature 31 Active

Error CS1503 Argument 2: cannot convert from 'string[]' to 'string' SampleFunctionalTests C:\Src\ECI\Main\Test Sources\Philips.ECI.FunctionalTests\ToolValidation\SampleFunctionalTests\ReadXml.feature 43 Active

Error CS1503 Argument 2: cannot convert from 'string[]' to 'string' SampleFunctionalTests C:\Src\ECI\Main\Test Sources\Philips.ECI.FunctionalTests\ToolValidation\SampleFunctionalTests\WebAPISupport.feature 19 Active

Error CS1503 Argument 2: cannot convert from 'string[]' to 'string' SampleFunctionalTests C:\Src\ECI\Main\Test Sources\Philips.ECI.FunctionalTests\ToolValidation\SampleFunctionalTests\WebAPISupport.feature 24 Active

Error CS1503 Argument 2: cannot convert from 'string[]' to 'string' SampleFunctionalTests C:\Src\ECI\Main\Test Sources\Philips.ECI.FunctionalTests\ToolValidation\SampleFunctionalTests\WebAPISupport.feature 29 Active

This didn't happen on my old Windows 7 machine, VS 2017.  The sources project and features files are all the same.

I searched the existing issues on this post group but didn't find  similar issue reported.

???

[Andreas Willich]

You need to regenerate you feature code-behind files.

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[Lily Qin]

It is resolved. Thanks.