https://community.esri.com/t5/arcobjects-sdk-questions/a-fatal-error-has-occurred-and-debugging-needs-to/m-p/1227426#M20534 <P>Yes,&nbsp; .NET Framework (4.5, 4.6, 4.7, etc) and .NET Core (5.0 and up) are two ENTIRELY different monsters.&nbsp; In VS you have to create a .NET Core project.&nbsp; This is not an ESRI issue.</P> Tue, 01 Nov 2022 13:09:02 GMT BrentHoskisson 2022-11-01T13:09:02Z https://community.esri.com/t5/arcobjects-sdk-questions/a-fatal-error-has-occurred-and-debugging-needs-to/m-p/1226510#M20531 <P><SPAN>While executing the Visual Studio solution it is throwing following error.&nbsp; Please provide solution to get&nbsp; out of this error.&nbsp;</SPAN></P><P>&nbsp;</P><P><SPAN>A fatal error has occurred and debugging needs to be terminated. The debugger was configured to use the Desktop CLR (.NET Framework) Managed debugger, but the target process loaded the CoreCLR (.NET Core) runtime. To debug this project, configure it to use the 'Managed (CoreCLR)' debugger.</SPAN></P> Fri, 28 Oct 2022 07:37:28 GMT https://community.esri.com/t5/arcobjects-sdk-questions/a-fatal-error-has-occurred-and-debugging-needs-to/m-p/1226510#M20531 ChetanPraneeth 2022-10-28T07:37:28Z https://community.esri.com/t5/arcobjects-sdk-questions/a-fatal-error-has-occurred-and-debugging-needs-to/m-p/1227426#M20534 <P>Yes,&nbsp; .NET Framework (4.5, 4.6, 4.7, etc) and .NET Core (5.0 and up) are two ENTIRELY different monsters.&nbsp; In VS you have to create a .NET Core project.&nbsp; This is not an ESRI issue.</P> Tue, 01 Nov 2022 13:09:02 GMT https://community.esri.com/t5/arcobjects-sdk-questions/a-fatal-error-has-occurred-and-debugging-needs-to/m-p/1227426#M20534 BrentHoskisson 2022-11-01T13:09:02Z