Unhandled Exception: System.ServiceModel.FaultException`1[[Microsoft.Xrm.Sdk.OrganizationServiceFault, Microsoft.Xrm.Sdk, Version=5.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]: System.ArgumentNullException: Value cannot be null.
Parameter name: The plug-in type could not be found in the plug-in assembly: Haceb_Plugins.PreCaseCreateDetail:
<OrganizationServiceFault xmlns:i="" xmlns="">
<ErrorCode>-2147220970</ErrorCode>
<ErrorDetails xmlns:d2p1="">
<KeyValuePairOfstringanyType>
<d2p1:key>CallStack</d2p1:key>
<d2p1:value xmlns:d4p1="" i:type="d4p1:string"> at Microsoft.Crm.Sandbox.SandboxAppDomainHelper.Execute(IServiceEndpointNotificationService serviceBusService, IOrganizationServiceFactory organizationServiceFactory,
String pluginTypeName, String pluginConfiguration, String pluginSecureConfig, IPluginExecutionContext requestContext)
at Microsoft.Crm.Sandbox.SandboxAppDomainHelper.Execute(IServiceEndpointNotificationService serviceBusService, IOrganizationServiceFactory organizationServiceFactory, String pluginTypeName, String pluginConfiguration, String pluginSecureConfig,
IPluginExecutionContext requestContext)
at Microsoft.Crm.Sandbox.SandboxWorker.Execute(SandboxCallInfo callInfo, SandboxPluginExecutionContext requestContext, Guid pluginAssemblyId, Int32 sourceHash, String assemblyName, Guid pluginTypeId, String pluginTypeName, String pluginConfiguration,
String pluginSecureConfig, SandboxRequestCounter& workerCounter)</d2p1:value>
</KeyValuePairOfstringanyType>
</ErrorDetails>
<Message>System.ArgumentNullException: Value cannot be null.
Parameter name: The plug-in type could not be found in the plug-in assembly: Haceb_Plugins.PreCaseCreate</Message>
<Timestamp>2014-12-18T07:09:08.647253Z</Timestamp>
<InnerFault i:nil="true" />
<TraceText>
[Haceb Plugins: Haceb_Plugins.PreCaseCreate]
[d04573b7-8486-e411-bdd2-00155d008701: Haceb_Plugins.PreCaseCreate: Create of incident]
</TraceText>
</OrganizationServiceFault>
i cant find a solution for this error. please help.
thx.