<!--[CDATA[MESSAGE:
Exception has been thrown by the target of an invocation.

STACKTRACE:
   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 Umbraco.Web.BaseRest.RestExtensionMethodInfo.Invoke(String[] parameters)

INNEREXCEPTION:
System.ArgumentException: The model doesn't have a store id associated with it - remember to add the Tea Commerce store picker to your Umbraco content tree
   at TeaCommerce.Umbraco.Configuration.InformationExtractors.XmlNodeProductInformationExtractor.GetStoreId(XPathNavigator model, Boolean useCachedInformation)
   at TeaCommerce.Umbraco.Configuration.InformationExtractors.XmlNodeProductInformationExtractor.HasAccess(Int64 storeId, XPathNavigator model, Boolean useCachedInformation)
   at TeaCommerce.Umbraco.Configuration.InformationExtractors.ProductInformationExtractor.HasAccess(Int64 storeId, String productIdentifier)
   at TeaCommerce.Api.Services.ProductService.HasAccess(Int64 storeId, String productIdentifier)
   at TeaCommerce.Api.Web.FormPostHandler.AddOrUpdateOrderLine(Int64 storeId, IDictionary`2 formFields, IDictionary`2 settings)
   at TeaCommerce.Api.Web.FormPostHandler.FormPost()
   at TeaCommerce.Umbraco.Web.RestExtensions.FormPost()]]-->