Error: MNR_Classes.Tools.MNR_Exception: Data table must not be empty at MNR_Classes.Tools.MNR_TextPersonalization..ctor(String text, DataTable dataTable) in /Users/johannesvorwerk/Documents/RiderProjects/MNR/MNR_Classes/Tools/MNR_TextPersonalization.cs:line 20 at MNR_WebAPI.Controllers.RecipientServices.ViewMessageController.Get(String job, String em, Int32 i) in /Users/johannesvorwerk/Documents/RiderProjects/MNR/MNR_WebAPI/Controllers/RecipientServices/ViewMessageController.cs:line 55