Last Updated: 13 Sep 2022 06:19 by ADMIN
Release 2.2.0
Martin Ivanov
Created on: 31 Jan 2022 14:46
Category: UI for WinUI
Type: Bug Report
Processing Resources failed with error Duplicate Entry error when referencing ReportViewer for WinUI and UI for WinUI nuget packages

"Processing Resources failed" compile-time error is thrown when the following nuget packages are referenced together:

- Telerik.ReportViewer.WinUI
- Telerik.WinUI.Controls

It is enough only to reference the packages and try to build the project.

The error appears also if you try to reference the .dll instead of nuget packages. But only in case the Telerik.WinUI.Controls.dll file is not referenced from the installation folder of the Telerik Reporting product.

Error details:

1>WINAPPSDKGENERATEPROJECTPRIFILE : error : PRI175: 0x80073b0f - Processing Resources failed with error: Duplicate Entry.
1>WINAPPSDKGENERATEPROJECTPRIFILE : error : PRI222: 0x80073b0f - Unspecified error occurred.
To resolve this, download the Telerik dlls deployed with the Reporting product and reference them from the same folder, instead of using the nuget packages.

Posted on: 31 Aug 2022 13:53

Hi Tursunkhuja, 

Our team still working on finding a stable solution for the described problem. As soon as we solve it, we will update this item with more information. 

Progress Telerik

Virtual Classroom, the free self-paced technical training that gets you up to speed with Telerik and Kendo UI products quickly just got a fresh new look + new and improved content including a brand new Blazor course! Check it out at

Posted on: 25 Aug 2022 10:17
Any updates on this?