I created a new trial organization couple of days back. It's a vanilla organization and no customization has been done. Today when I was trying to access opportunities, I got the error "System.ArgumentNullException: Value cannot be null." however I am able to access other entities as normal without any error. I cant access opportunities from Grid. Tried to create an opportunity from quick create but again I got the same error.
Pasting the screenshot below.

Error Details
Unhandled Exception: System.ServiceModel.FaultException`1[[Microsoft.Xrm.Sdk.OrganizationServiceFault, Microsoft.Xrm.Sdk, Version=7.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]: System.Web.HttpUnhandledException: Microsoft Dynamics CRM has experienced an error. Reference number for administrators or support: #83A2C7B3Detail:
<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: #83A2C7B3</Message>
<Timestamp>2015-07-14T06:00:55.3617982Z</Timestamp>
<InnerFault>
<ErrorCode>-2147220970</ErrorCode>
<ErrorDetails xmlns:d3p1="schemas.datacontract.org/.../System.Collections.Generic" />
<Message>System.ArgumentNullException: Value cannot be null.
Parameter name: g</Message>
<Timestamp>2015-07-14T06:00:55.3617982Z</Timestamp>
<InnerFault i:nil="true" />
<TraceText i:nil="true" />
</InnerFault>
<TraceText i:nil="true" />
</OrganizationServiceFault>
Has anybody else been facing this lately? Thanks in advance.
*This post is locked for comments
I have the same question (0)