Any reason for which OCR activities don't work in a C# project?

Thanks for the answer.

Sorry, the screenshot is a bit misleading, in the C# project the PDF package was on stable version, screenshot is from VB version.

However after your comment I went to the C# version and changed all packages to the latest stable versions.

I still get the same error:

System.NotSupportedException: Expression Activity type ‘VisualBasicValue`1’ requires compilation in order to run. Please ensure that the workflow has been compiled.

Is this a C# limitation or is there a workaround?

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