Error Message about Object Type Conversion Occurs
Environment
| Product | Progress® Telerik® Reporting |
| Version | Q2 2012 and later |
| Report Viewers | WinForms, WPF, ASP.NET |
Description
An Object of type 'XXX' cannot be converted to type 'XXX' occurs where XXX is the same Type.
Cause
The possible reason for the issue is that not all Telerik Reporting assemblies are upgraded to the same version.
Solution
Run the Upgrade Wizard.
Restart Visual Studio.
Manually verify that all Telerik Reporting assemblies are upgraded to the same version. For more information, refer to the article on upgrading Telerik Reporting projects.