please help me
Unhandled Exception: System.ServiceModel.FaultException`1[[Microsoft.Xrm.Sdk.OrganizationServiceFault, Microsoft.Xrm.Sdk, Version=8.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]: The given key was not present in the dictionary. Stack Trace at System.ThrowHelper.ThrowKeyNotFoundException()
at System.Collections.Generic.Dictionary`2.get_Item(TKey key)
at AutoNumber.Presenter_Classes.AutoIDGeneratorPresenter.generateAutoID(Entity& contextEntity)
at AutoNumber.Calling_Classes.GlobalAutoIDGenerationPreOperation.Execute(IServiceProvider serviceProvider)Detail:
<OrganizationServiceFault xmlns:i="www.w3.org/.../XMLSchema-instance" xmlns="schemas.microsoft.com/.../Contracts">
<ErrorCode>-2147220956</ErrorCode>
<ErrorDetails xmlns:d2p1="schemas.datacontract.org/.../System.Collections.Generic" />
<Message>The given key was not present in the dictionary. Stack Trace at System.ThrowHelper.ThrowKeyNotFoundException()
at System.Collections.Generic.Dictionary`2.get_Item(TKey key)
at AutoNumber.Presenter_Classes.AutoIDGeneratorPresenter.generateAutoID(Entity& contextEntity)
at AutoNumber.Calling_Classes.GlobalAutoIDGenerationPreOperation.Execute(IServiceProvider serviceProvider)</Message>
<Timestamp>2017-12-13T12:41:16.266141Z</Timestamp>
<InnerFault i:nil="true" />
<TraceText>
[AutoNumber: AutoNumber.Calling_Classes.GlobalAutoIDGenerationPreOperation]
[46fff5d1-5cc5-e711-80de-005056a40414: IdGenerator for the ncp_privatenote Entity]
</TraceText>
</OrganizationServiceFault>