This is the error log
[2019-05-02 08:46:31.438] Process: w3wp |Organization:38327bea-3422-e811-80e2-005056b930d3 |Thread: 46 |Category: Application |User: 00000000-0000-0000-0000-000000000000 |Level: Error |ReqId: 45a2a856-0cb6-4e1e-955b-374e3b93f60b |ActivityId: 45a2a856-0cb6-4e1e-955b-374e3b93f60b | ErrorInformation.LogError ilOffset = 0x25
>MSCRM Error Report:
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Error: Exception of type 'System.Web.HttpUnhandledException' was thrown.
Error Number: 0x80040216
Error Message: An unexpected error occurred.
Error Details: An unexpected error occurred.
Source File: Not available
Line Number: Not available
Request URL: crmdev.dudley.gov.uk/.../dlg_exportsolution.aspx;command=exportsolution&ismanaged=0&optionxml=%3csettings%3e%3cexportAutoNumber%3efalse%3c%2fexportAutoNumber%3e%3cexportCalendar%3efalse%3c%2fexportCalendar%3e%3cexportCustomization%3efalse%3c%2fexportCustomization%3e%3cexportEmailTracking%3efalse%3c%2fexportEmailTracking%3e%3cexportGeneral%3efalse%3c%2fexportGeneral%3e%3cexportMarketing%3efalse%3c%2fexportMarketing%3e%3cexportOutlookSynchronization%3efalse%3c%2fexportOutlookSynchronization%3e%3cexportRelationshipRole%3efalse%3c%2fexportRelationshipRole%3e%3cexportSales%3efalse%3c%2fexportSales%3e%3cexportExternalApplications%3efalse%3c%2fexportExternalApplications%3e%3cexportIsvConfig%3efalse%3c%2fexportIsvConfig%3e%3c%2fsettings%3e
Stack Trace Info: [CrmException: An unexpected error occurred.]
at Microsoft.Crm.Application.Platform.ServiceCommands.PlatformCommand.XrmExecuteInternal()
at Microsoft.Crm.Application.Platform.ServiceCommands.ExportSolutionCommand.Execute()
at Microsoft.Crm.Dialogs.ExportSolutionPage.ExportSolution(Boolean managed, String optionXml, String targetVersion)
at Microsoft.Crm.Dialogs.ExportSolutionPage.ConfigureForm()
at Microsoft.Crm.Application.Controls.AppUIPage.OnPreRender(EventArgs e)
at System.Web.UI.Control.PreRenderRecursiveInternal()
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
[HttpUnhandledException: Exception of type 'System.Web.HttpUnhandledException' was thrown.]
at System.Web.UI.Page.HandleError(Exception e)
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
at System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
at System.Web.UI.Page.ProcessRequest()
at System.Web.UI.Page.ProcessRequest(HttpContext context)
at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)
[2019-05-02 08:46:31.438] Process: w3wp |Organization:00000000-0000-0000-0000-000000000000 |Thread: 46 |Category: Platform |User: 00000000-0000-0000-0000-000000000000 |Level: Error |ReqId: 45a2a856-0cb6-4e1e-955b-374e3b93f60b |ActivityId: 45a2a856-0cb6-4e1e-955b-374e3b93f60b | ExceptionConverter.ConvertMessageAndErrorCode ilOffset = 0x26C
>System.Web.HttpUnhandledException: Microsoft Dynamics CRM has experienced an error. Reference number for administrators or support: #3870167F: System.Web.HttpUnhandledException (0x80004005): Exception of type 'System.Web.HttpUnhandledException' was thrown. ---> Microsoft.Crm.CrmException: An unexpected error occurred.
at Microsoft.Crm.Application.Platform.ServiceCommands.PlatformCommand.XrmExecuteInternal()
at Microsoft.Crm.Application.Platform.ServiceCommands.ExportSolutionCommand.Execute()
at Microsoft.Crm.Dialogs.ExportSolutionPage.ExportSolution(Boolean managed, String optionXml, String targetVersion)
at Microsoft.Crm.Dialogs.ExportSolutionPage.ConfigureForm()
at Microsoft.Crm.Application.Controls.AppUIPage.OnPreRender(EventArgs e)
at System.Web.UI.Control.PreRenderRecursiveInternal()
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
at System.Web.UI.Page.HandleError(Exception e)
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
at System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
at System.Web.UI.Page.ProcessRequest()
at System.Web.UI.Page.ProcessRequest(HttpContext context)
at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)