Error message: Object reference not set to an instance of an object

V5 Issue
1

Hello. I got an error message.

It said “Object reference not set to an instance of an object”
What is this meaning?
Is there any log file in file explorer?

[General Info]

Application: SambaPOS
Version: 5.3.6
Region: en
DB: SQ
Machine: SUSHI-RO
User: Administrator
Date: 21/09/2021
Time: 05:11 AM

User Explanation:

Administrator said “”

[Exception Info 1]

Top-level Exception
Type: System.Reflection.TargetInvocationException
Message: Exception has been thrown by the target of an invocation.
Source: mscorlib
Stack Trace: 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.Delegate.DynamicInvokeImpl(Object[] args)
at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)

Inner Exception 1
Type: System.NullReferenceException
Message: Object reference not set to an instance of an object.
Source: Samba.Services
Stack Trace: at Samba.Services.ActionProcessors.PrinterModule.ExecutePrintJob.Process(ActionData actionData, RuleExecutionContext context) in C:\Users\Vehbi\Documents\Source\Repos\sambapos-v5-pro\Samba.Services\ActionProcessors\PrinterModule\ExecutePrintJob.cs:line 46
at Samba.Services.Common.RuleActionTypeRegistry.ProcessAction(String actionType, ActionData actionData, RuleExecutionContext context) in C:\Users\Vehbi\Documents\Source\Repos\sambapos-v5-pro\Samba.Services\Common\RuleActionTypeRegistry.cs:line 39
at Samba.Services.Implementations.AutomationModule.AutomationService.ProcessAction(String actionType, ActionData actionData, RuleExecutionContext context) in C:\Users\Vehbi\Documents\Source\Repos\sambapos-v5-pro\Samba.Services\Implementations\AutomationModule\AutomationService.cs:line 42
at Samba.Services.Implementations.AutomationModule.ActionDataBuilder.<>c__DisplayClass13_0.b__0() in C:\Users\Vehbi\Documents\Source\Repos\sambapos-v5-pro\Samba.Services\Implementations\AutomationModule\ActionDataBuilder.cs:line 76
at System.Windows.Threading.Dispatcher.Invoke(Action callback, DispatcherPriority priority, CancellationToken cancellationToken, TimeSpan timeout)
at System.Windows.Threading.Dispatcher.Invoke(Action callback)
at Samba.Services.Implementations.AutomationModule.ActionDataBuilder.InvokeWith(AppState appState, RuleExecutionContext context) in C:\Users\Vehbi\Documents\Source\Repos\sambapos-v5-pro\Samba.Services\Implementations\AutomationModule\ActionDataBuilder.cs:line 84
at Samba.Services.Implementations.AutomationModule.RuleExecutor.ExecuteWithoutLogging(Object ruleData) in C:\Users\Vehbi\Documents\Source\Repos\sambapos-v5-pro\Samba.Services\Implementations\AutomationModule\RuleExecutor.cs:line 125
at Samba.Services.Implementations.AutomationModule.RuleExecutor.ExecuteWith(Object dataParameter) in C:\Users\Vehbi\Documents\Source\Repos\sambapos-v5-pro\Samba.Services\Implementations\AutomationModule\RuleExecutor.cs:line 62
at Samba.Services.Implementations.AutomationModule.NotificationService.NotifyEvent(String eventName, Object dataParameter, AppState appState) in C:\Users\Vehbi\Documents\Source\Repos\sambapos-v5-pro\Samba.Services\Implementations\AutomationModule\NotificationService.cs:line 26
at Samba.Services.Implementations.TicketModule.TicketServiceBase.TagOrders(Ticket ticket, IEnumerable1 selectedOrders, OrderTagGroup orderTagGroup, OrderTag orderTag, String tagNote, AppState appState) in C:\Users\Vehbi\Documents\Source\Repos\sambapos-v5-pro\Samba.Services\Implementations\TicketModule\TicketServiceBase.cs:line 848 at Samba.Services.ActionProcessors.TicketModule.OrderTagOperation.Process(ActionData actionData, RuleExecutionContext context) in C:\Users\Vehbi\Documents\Source\Repos\sambapos-v5-pro\Samba.Services\ActionProcessors\TicketModule\OrderTagOperation.cs:line 63 at Samba.Services.Common.RuleActionTypeRegistry.ProcessAction(String actionType, ActionData actionData, RuleExecutionContext context) in C:\Users\Vehbi\Documents\Source\Repos\sambapos-v5-pro\Samba.Services\Common\RuleActionTypeRegistry.cs:line 39 at Samba.Services.Implementations.AutomationModule.AutomationService.ProcessAction(String actionType, ActionData actionData, RuleExecutionContext context) in C:\Users\Vehbi\Documents\Source\Repos\sambapos-v5-pro\Samba.Services\Implementations\AutomationModule\AutomationService.cs:line 42 at Samba.Services.Implementations.AutomationModule.ActionDataBuilder.<>c__DisplayClass13_0.<InvokeWith>b__0() in C:\Users\Vehbi\Documents\Source\Repos\sambapos-v5-pro\Samba.Services\Implementations\AutomationModule\ActionDataBuilder.cs:line 76 at System.Windows.Threading.Dispatcher.Invoke(Action callback, DispatcherPriority priority, CancellationToken cancellationToken, TimeSpan timeout) at System.Windows.Threading.Dispatcher.Invoke(Action callback) at Samba.Services.Implementations.AutomationModule.ActionDataBuilder.InvokeWith(AppState appState, RuleExecutionContext context) in C:\Users\Vehbi\Documents\Source\Repos\sambapos-v5-pro\Samba.Services\Implementations\AutomationModule\ActionDataBuilder.cs:line 84 at Samba.Services.Implementations.AutomationModule.RuleExecutor.ExecuteWithoutLogging(Object ruleData) in C:\Users\Vehbi\Documents\Source\Repos\sambapos-v5-pro\Samba.Services\Implementations\AutomationModule\RuleExecutor.cs:line 125 at Samba.Services.Implementations.AutomationModule.RuleExecutor.ExecuteWith(Object dataParameter) in C:\Users\Vehbi\Documents\Source\Repos\sambapos-v5-pro\Samba.Services\Implementations\AutomationModule\RuleExecutor.cs:line 62 at Samba.Services.Implementations.AutomationModule.NotificationService.NotifyEvent(String eventName, Object dataParameter, AppState appState) in C:\Users\Vehbi\Documents\Source\Repos\sambapos-v5-pro\Samba.Services\Implementations\AutomationModule\NotificationService.cs:line 26 at Samba.Services.Implementations.TicketModule.TicketServiceBase.AddOrder(Ticket ticket, MenuItem menuItem, Nullable1 quantity, Boolean enforceQuantity, String portionName, String orderState, String orderTagJson, AppState appState, Nullable1 price) in C:\Users\Vehbi\Documents\Source\Repos\sambapos-v5-pro\Samba.Services\Implementations\TicketModule\TicketServiceBase.cs:line 215 at Samba.Presentation.Services.Implementations.TicketModule.TicketService.AddOrder(Ticket ticket, Int32 menuItemId, Nullable1 quantity, Boolean enforceQuantity, String portionName, String orderState, String orderTagJson)
at Samba.Presentation.ClientLibrary.Modules.PosModule.TicketOrdersViewModel.AddOrder(Int32 menuItemId, Nullable1 quantity, Boolean enforceQuantity, String portionName) in C:\Users\Vehbi\Documents\Source\Repos\sambapos-v5-pro\Samba.Presentation.ClientLibrary\Modules\PosModule\TicketOrdersViewModel.cs:line 209 at Samba.Presentation.ClientLibrary.Modules.PosModule.TicketOrdersViewModel.AddOrder(ScreenMenuItemData data) in C:\Users\Vehbi\Documents\Source\Repos\sambapos-v5-pro\Samba.Presentation.ClientLibrary\Modules\PosModule\TicketOrdersViewModel.cs:line 216 at Samba.Presentation.ClientLibrary.Modules.PosModule.PosViewModel.OnMenuItemSelected(EventParameters1 obj) in C:\Users\Vehbi\Documents\Source\Repos\sambapos-v5-pro\Samba.Presentation.ClientLibrary\Modules\PosModule\PosViewModel.cs:line 487
at Microsoft.Practices.Prism.Events.EventSubscription1.InvokeAction(Action1 action, TPayload argument)
at Microsoft.Practices.Prism.Events.EventSubscription1.<>c__DisplayClass2.<GetExecutionStrategy>b__0(Object[] arguments) at Microsoft.Practices.Prism.Events.EventBase.InternalPublish(Object[] arguments) at Microsoft.Practices.Prism.Events.CompositePresentationEvent1.Publish(TPayload payload)
at Samba.Presentation.Services.Common.ExtensionMethods.Publish[TEventsubject](TEventsubject eventArgs, String eventTopic, Action expectedAction)

[Assembly Info]

mscorlib, Version=4.0.0.0
System, Version=4.0.0.0
Samba.Services, Version=5.3.7816.39267
Samba.Domain, Version=5.3.7816.39266
Samba.Infrastructure.Data, Version=5.3.7816.39266
System.ComponentModel.Composition, Version=4.0.0.0
Samba.Presentation.Services, Version=5.3.7816.39270
System.Core, Version=4.0.0.0
PresentationCore, Version=4.0.0.0
WindowsBase, Version=4.0.0.0
PresentationFramework, Version=4.0.0.0
DevExpress.Xpf.LayoutControl.v17.2, Version=17.2.13.0
System.Xml, Version=4.0.0.0
DevExpress.Xpf.Grid.v17.2, Version=17.2.13.0
DevExpress.Xpf.Grid.v17.2.Core, Version=17.2.13.0
System.Xaml, Version=4.0.0.0
Samba.Infrastructure, Version=5.3.7816.39262
Microsoft.Practices.Prism, Version=4.0.0.0
System.Runtime.Serialization, Version=4.0.0.0
Microsoft.Practices.Prism.MefExtensions, Version=4.0.0.0
DevExpress.Xpf.Core.v17.2, Version=17.2.13.0
System.Windows.Forms, Version=4.0.0.0
System.Drawing, Version=4.0.0.0
Samba.Persistance, Version=5.3.7816.39267
Stateless, Version=1.0.0.0
PropertyTools, Version=2012.4.14.1
Samba.Localization, Version=5.3.7816.39263
ReachFramework, Version=4.0.0.0
EntityFramework, Version=6.0.0.0
FluentValidation, Version=3.4.0.0
NCalc, Version=1.3.8.0
Microsoft.CSharp, Version=4.0.0.0
Omu.ValueInjecter, Version=2.3.0.0
Microsoft.Practices.ServiceLocation, Version=1.0.0.0
DevExpress.Data.v17.2, Version=17.2.13.0
WindowsInput, Version=1.0.4.0

[System Info]

Operating System
-Microsoft Windows 10 Enterprise 2016 LTSB
–CodeSet = 1252
–CSDVersion =
–CurrentTimeZone = -240
–FreePhysicalMemory = 1876440
–OSArchitecture = 64-bit
–OSLanguage = 1033
–ServicePackMajorVersion = 0
–ServicePackMinorVersion = 0
–Version = 10.0.14393

Machine
-SUSHI-RO
–Manufacturer = Default string
–Model = Default string
–TotalPhysicalMemory = 4179279872
–UserName = SUSHI-RO\Administrator

2

When and doing what?

3

Mention clearly when are you getting this error while doing what

4

I was adding the product and delete some products. And add a new printer. And then, I went into the restaurant’s main menu for an order. Whenever I clicked on any product, it showed an error message.

5

also add print jobs with action, rules

6

Something is wrong with the print job. Check your actions and rule carefully.

7

Try to restore the backup if u have before the error

8

Thank you for everyone’s replies. I need someone to set up printer jobs. Where should I contact? Thank you

9

Where are you located? We have several resellers in North America that could help you if you are in USA/Canada area.

10

I am in Canada. Where should I connect? Thank you in advance

11

I can help you via AnyDesk, I am free at the moment. Please send me your AnyDesk ID privately.

2 Likes
12

I am sorry! I read your message too late…
I just reset my program and doing it from the bottom. But, thank you.