Dear Experts,
Suddenly for some opportunity records, When user trying to open an opportunity, below exception is coming. Also see attached screen shot.
Log message from Event Logger.
The Web Service plug-in failed in OrganizationId: 48e247c0-141f-4753-9f2f-07642e9b6f64; SdkMessageProcessingStepId: bdcbbb1b-ea3e-db11-86a7-000a3a5473e8; EntityName: opportunity; Stage: 30; MessageName: Retrieve; AssemblyName: Microsoft.Crm.Extensibility.InternalOperationPlugin, Microsoft.Crm.ObjectModel, Version=5.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35; ClassName: Microsoft.Crm.Extensibility.InternalOperationPlugin; Exception: Unhandled Exception: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation.
at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
at System.Web.Services.Protocols.LogicalMethodInfo.Invoke(Object target, Object[] values)
at Microsoft.Crm.Extensibility.InternalOperationPlugin.Execute(IServiceProvider serviceProvider)
at Microsoft.Crm.Extensibility.V5PluginProxyStep.ExecuteInternal(PipelineExecutionContext context)
at Microsoft.Crm.Extensibility.VersionedPluginProxyStepBase.Execute(PipelineExecutionContext context)
Inner Exception: System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.Crm.ObjectModel.PriceService.CalculateNumerOfUnitsPerDefaultUnit(Guid defaultUomScheduleId, Guid defaultUomId, Guid uomId, ExecutionContext context)
at Microsoft.Crm.ObjectModel.PriceService.CalculatePrice(BusinessEntity entity, Guid lineItemId, Boolean skipQOIDetailPricing, Boolean overridePricePerUnitLock, Boolean overrideDiscountLock, ExecutionContext context)
at Microsoft.Crm.ObjectModel.QOIPriceService.CalculatePrice(Guid qoiId, Guid lineItemId, Boolean skipLineItemPricing, Boolean overridePricePerUnitLock, Boolean overrideDiscountLock, Boolean isModifiedBySystem, ExecutionContext context)
at Microsoft.Crm.ObjectModel.OpportunityService.CalculatePrice(Guid opportunityId, Guid opportunityProductId, Boolean skipOpportunityProductPricing, Boolean overridePricePerUnitLock, Boolean overrideDiscountLock, Boolean isModifiedBySystem, ExecutionContext context)
at Microsoft.Crm.ObjectModel.QOIService.Retrieve(BusinessEntityMoniker moniker, EntityExpression entityExpression, ExecutionContext context, Boolean isModifiedBySystem, Boolean calculatePrice, Int32 state)
at Microsoft.Crm.ObjectModel.OpportunityService.Retrieve(BusinessEntityMoniker moniker, EntityExpression entityExpression, ExecutionContext context)
