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Dynamics 365 Community / Forums / Microsoft Dynamics CRM (Archived) / CRM 2011: System.NullR...
Microsoft Dynamics CRM (Archived)

CRM 2011: System.NullReferenceException: Object reference not set to an instance of an object. at Microsoft.Crm.MainApplication.Application_Error(Object sender, EventArgs eventArguments)

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Posted on by MoMo 430

Our Crm 2011 was working perfectly fine but all of sudden over night it stopped working. When I enabled the dev error. i see "System.NullReferenceException: Object reference not set to an instance of an object. at Microsoft.Crm.MainApplication.Application_Error(Object sender, EventArgs eventArguments)"

i have tried evreything i could with no luck. i have binding thats fine. i have restarted my IIS and server but no luck.  Please help me! i am insane

You help would very highly appriciated! 

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  • Lance Squires Profile Picture
    Lance Squires on at
    Re: CRM 2011: System.NullReferenceException: Object reference not set to an instance of an object. at Microsoft.Crm.MainApplication.Application_Error(Object sender, EventArgs eventArguments)

    Hi MoMo,

    This is something that is hard to troubleshoot in a forum as several areas that could be the cause as the error message presented is rather generic. I would recommend enabling tracing on the CRM Server as this will give us a better starting point. There are many ways to enable tracing if you are uncertain how to do it. I have referenced a KB article which tells you how to enable it:

    support.microsoft.com/.../907490

    You can also use also use the diagnostic tool from CodePlex for CRM 2011:

    crmdiagtool2011.codeplex.com

    I would recommend enabling verbose tracing and see what type of error is being thrown when you attempt to connect to the website after an IISReset.

    I know you stated that nothing changed, but something could have changed in the background. Perhaps a Update Rollup or a Windows Update. It could also be caused by a modification to the web.config for CRM. You could also be having issues with SQL. As I said, there are many areas to look at.

    Once we have some additional information from the logging, you will be have a better starting point on this.

    If this is an urgent issue, I would encourage you to reach out to a Microsoft Dynamics Partner, if you have one, or open a support request with us.

    Thanks,

    Lance Squires

    Support Engineer

    Microsoft Dynamics CRM Support

  • Ryan Profile Picture
    Ryan 545 on at
    Re: CRM 2011: System.NullReferenceException: Object reference not set to an instance of an object. at Microsoft.Crm.MainApplication.Application_Error(Object sender, EventArgs eventArguments)

    We seem to be experiencing the same issue and it seems to be related to Update Rollup 10.  Have you had any luck?

  • Community Member Profile Picture
    Community Member on at
    Re: CRM 2011: System.NullReferenceException: Object reference not set to an instance of an object. at Microsoft.Crm.MainApplication.Application_Error(Object sender, EventArgs eventArguments)

    I'm having this same problem.

  • Suggested answer
    Community Member Profile Picture
    Community Member on at
    Re: CRM 2011: System.NullReferenceException: Object reference not set to an instance of an object. at Microsoft.Crm.MainApplication.Application_Error(Object sender, EventArgs eventArguments)

    I have had the same issue after I installed Rollup 11.

    Try this,

    www.powerobjects.com/.../crm-2011-update-rollup-10-error-fix

    it solved the Problem for me.

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