Dynamics Community Forum Thread Details

Getting the error when deleting the processes/ workflows which are in Draft status in MS CRM 2011 even though I am administrator

Getting the below error when deleting the processes/ workflows which are in Draft status in MS CRM 2011:

Unhandled Exception: System.ServiceModel.FaultException`1[[Microsoft.Xrm.Sdk.OrganizationServiceFault, Microsoft.Xrm.Sdk, Version=5.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]: System.Web.HttpUnhandledException: Microsoft Dynamics CRM has experienced an error. Reference number for administrators or support: #6679845BDetail:
<OrganizationServiceFault xmlns:i="">www.w3.org/.../XMLSchema-instance" xmlns="">schemas.microsoft.com/.../Contracts">
<ErrorCode>-2147220970</ErrorCode>
<ErrorDetails xmlns:d2p1="">schemas.datacontract.org/.../System.Collections.Generic" />
<Message>System.Web.HttpUnhandledException: Microsoft Dynamics CRM has experienced an error. Reference number for administrators or support: #6679845B</Message>
<Timestamp>2019-06-27T16:19:36.8429688Z</Timestamp>
<InnerFault>
<ErrorCode>-2147201020</ErrorCode>
<ErrorDetails xmlns:d3p1="">schemas.datacontract.org/.../System.Collections.Generic" />
<Message>Cannot delete a workflow activation.</Message>
<Timestamp>2019-06-27T16:19:36.8429688Z</Timestamp>
<InnerFault i:nil="true" />
<TraceText i:nil="true" />
</InnerFault>
<TraceText i:nil="true" />
</OrganizationServiceFault>