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Dynamics 365 Community / Forums / Microsoft Dynamics CRM (Archived) / System.MissingMethodEx...
Microsoft Dynamics CRM (Archived)

System.MissingMethodException: Method not found: '!!0[] System.Array.Empty()'.

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Posted on by Community Member

Hi,

Currently I am working in Dynamics 365. I created a plugin and uploaded for lead(Post Operation). when I tried created the lead it shows Two types of exceptions

1. System.MissingMethodException: Method not found: '!!0[] System.Array.Empty()'.

2. Generic SQL error.

   

Unhandled Exception: System.ServiceModel.FaultException`1[[Microsoft.Xrm.Sdk.OrganizationServiceFault, Microsoft.Xrm.Sdk, Version=9.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]: Generic SQL error.Detail:
<OrganizationServiceFault xmlns:i="www.w3.org/.../XMLSchema-instance" xmlns="schemas.microsoft.com/.../Contracts">
<ActivityId>98c8caae-1fc1-4742-8410-92a8777d6512</ActivityId>
<ErrorCode>-2147204784</ErrorCode>
<ErrorDetails xmlns:d2p1="schemas.datacontract.org/.../System.Collections.Generic" />
<Message>Generic SQL error.</Message>
<Timestamp>2018-03-13T17:10:31.7571437Z</Timestamp>
<ExceptionRetriable>false</ExceptionRetriable>
<ExceptionSource i:nil="true" />
<InnerFault i:nil="true" />
<OriginalException i:nil="true" />
<TraceText i:nil="true" />
</OrganizationServiceFault>

can any one please suggest me how to fix this issue. Its very urgent for me.

 Thanks in Advance

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  • Suggested answer
    Michel van den Brink Profile Picture
    Michel van den Brink 4,697 on at

    Hello,

    This is a pretty common error. You are using a specific Linq extension method which was introduced in .NET 4.6.

    The server where your plug-in as been provisioned will throw this Exception when .NET 4.6 is not installed.

    (some Dynamics 365 Online servers are a little slow on updates, especially when you have not yet upgraded to Dynamics 365 v8.2)

      

    Try recompiling your plug-in project on .NET 4.5.2 and update your plug-ins in the organization.

      

    Reference:
    https://stackoverflow.com/questions/31253747/method-not-found-0-system-array-empty-asapp-bundleconfig-registerbundl 

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