While using read pdf ocr , i am getting error ( Expression Activity type 'VisualBasicValue`1' requires compilation in order to run. )

[MitheshBolla (Mithesh Reddy Bolla)]

For any ocr i am getting same issue~!

[supermanPunch (Arpan)]

Hi @MitheshBolla ,

Could you show us the Read PDF with OCR Activity’s configuration in Properties Panel ?

Maybe also take a look at the error name recorded and the fix mentioned in the post below :

Troubleshooting Guide : Conversion from Windows-Legacy project to Windows project

This topic describes troubleshooting guide regarding conversion from Windows-Legacy project to Windows project as of Dec 2022. Hope this helps those who face these problems. 1 Quick Reference by Error Messages, Situation etc. Phase Error message / Situation Reference Open project foobar.xaml: Cannot create unknown type’{clr-Namespace:UiPath.foo.Activities;assembly=UiPath.bar.Activities}ActivityName’. 2.2 Missing Activities package OR 2.3 Missing activity Development Unable to set …

[MitheshBolla (Mithesh Reddy Bolla)]

[supermanPunch (Arpan)]

@MitheshBolla ,

It looks as if the Environment mentioned matches the Environment you have, and hence do follow the Suggestion provided in the post above :

[MitheshBolla (Mithesh Reddy Bolla)]

Yes, i had changed the env to Windows , and its wokring