Issue while using the below activity in my system

I have getting the below error while using the activity :Merge PDF Files: Could not load file or assembly ‘PdfSharp, Version=1.50.5147.0, Culture=neutral, PublicKeyToken=f94615aa0424f9eb’ or one of its dependencies. A strongly-named assembly is required. (Exception from HRESULT: 0x80131044)

Hi @santhosh.v ,
Try to update the package and try again.

Regards,
Arivu

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Hello @santhosh.v

Welcome to UiPath community…!

Have you migrated the project from windows-legacy to windows recently?

Please try to update all the packages in the project to stable version from manage package.

Thanks

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Hi Arivu,

Thanks for the response. I have updated the package, still getting the same error.

Hi Rahul,

Now, I have migrated the project to windows. But the few packages are not available in windows.
image

@santhosh.v These custom packages also need to migrate separately… with migration tool it will not migrate the dependent custom library