Error message when you try to save an activity in the Microsoft Dynamics CRM client for Outlook: "Microsoft CRM Unhandled Error Details: Server Error in '/' Application"

Microsoft CRM Unhandled Error Details:
Server Error in '/' Application.

Exception from HRESULT: 0x80040115.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Runtime.InteropServices.COMException:
Exception from HRESULT: 0x80040115.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[COMException (0x80040115): Exception from HRESULT: 0x80040115.]
Microsoft.Crm.Platform.ComProxy.CRMContactClass.Create(CUserAuth& Caller, String Contact) +0
Microsoft.Crm.Application.Platform.Contact.InternalCreate(String xml) +268
Microsoft.Crm.Application.Platform.Entity.Create() +109
Microsoft.Crm.Application.Forms.AppForm.RaiseDataEvent(FormEventId eventId) +408
Microsoft.Crm.Application.Forms.EndUserForm.Initialize(Entity entity) +57
Microsoft.Crm.Application.Forms.CustomizableForm.Execute(Entity entity, String formId, String formType) +83
Microsoft.Crm.Application.Forms.CustomizableForm.Execute(Entity entity) +13
Microsoft.Crm.Web.SFA.ContactDetailPage.ConfigureForm() +244
Microsoft.Crm.Application.Controls.AppPage.OnPreRender(EventArgs e) +29
System.Web.UI.Control.PreRenderRecursiveInternal() +54 System.Web.UI.Page.ProcessRequestMain() +1499

Microsoft CRM Platform Error Report:
Error Description:
Exception from HRESULT: 0x80040115.

Error Details:
Exception from HRESULT: 0x80040115.

Error Number:
0x80040115

Source File:
Not available

Line Number:
Not available