topic ArcObjects error Exception from HRESULT: 0x80042601 in ArcObjects SDK Questions https://community.esri.com/t5/arcobjects-sdk-questions/arcobjects-error-exception-from-hresult-0x80042601/m-p/616165#M16523 <HTML><HEAD></HEAD><BODY><P>I am attempting to use ArcObjects to add a feature class to an existing replica as outlined in the code sample provided via&nbsp;<A href="http://resources.esri.com/help/9.3/ArcGISDesktop/dotnet/da79f58c-971a-454e-bc52-974c2c47e26a.htm#Overview">http://resources.esri.com/help/9.3/ArcGISDesktop/dotnet/da79f58c-971a-454e-bc52-974c2c47e26a.htm#Overview</A>. After compiling the code, ArcMap launches and I am able to add the button however, the following error is thrown: <EM>System.Runtime.InteropServices.COMException: 'Exception from HRESULT: 0x80042601'.&nbsp;</EM>The ArcObjects error code would convert to&nbsp;-2147211775 though when searching, this returns no results.<IMG __jive_id="471204" alt="System.Runtime.InteropServices.COMException: " exception="" from="" ="" 0x80042601="" /></P></BODY></HTML> Fri, 01 Nov 2019 14:22:25 GMT ZacharyKing 2019-11-01T14:22:25Z ArcObjects error Exception from HRESULT: 0x80042601 https://community.esri.com/t5/arcobjects-sdk-questions/arcobjects-error-exception-from-hresult-0x80042601/m-p/616165#M16523 <HTML><HEAD></HEAD><BODY><P>I am attempting to use ArcObjects to add a feature class to an existing replica as outlined in the code sample provided via&nbsp;<A href="http://resources.esri.com/help/9.3/ArcGISDesktop/dotnet/da79f58c-971a-454e-bc52-974c2c47e26a.htm#Overview">http://resources.esri.com/help/9.3/ArcGISDesktop/dotnet/da79f58c-971a-454e-bc52-974c2c47e26a.htm#Overview</A>. After compiling the code, ArcMap launches and I am able to add the button however, the following error is thrown: <EM>System.Runtime.InteropServices.COMException: 'Exception from HRESULT: 0x80042601'.&nbsp;</EM>The ArcObjects error code would convert to&nbsp;-2147211775 though when searching, this returns no results.<IMG __jive_id="471204" alt="System.Runtime.InteropServices.COMException: " exception="" from="" ="" 0x80042601="" /></P></BODY></HTML> Fri, 01 Nov 2019 14:22:25 GMT https://community.esri.com/t5/arcobjects-sdk-questions/arcobjects-error-exception-from-hresult-0x80042601/m-p/616165#M16523 ZacharyKing 2019-11-01T14:22:25Z Re: ArcObjects error Exception from HRESULT: 0x80042601 https://community.esri.com/t5/arcobjects-sdk-questions/arcobjects-error-exception-from-hresult-0x80042601/m-p/616166#M16524 <HTML><HEAD></HEAD><BODY><P>Have you confirmed that both workspace and replicaname are both valid and point to locations that exist, there appears to be not testing and error trapping in your code?</P></BODY></HTML> Fri, 08 Nov 2019 14:53:53 GMT https://community.esri.com/t5/arcobjects-sdk-questions/arcobjects-error-exception-from-hresult-0x80042601/m-p/616166#M16524 DuncanHornby 2019-11-08T14:53:53Z