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Internal server error (500) when clicking edit extension

Discussion in '3CX Phone System - General' started by gehri, Sep 1, 2016.

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  1. gehri

    Joined:
    Jan 28, 2015
    Messages:
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    Hi,
    when i click edit extension i get this error:

    System.InvalidOperationException: La sequenza non contiene elementi
    in System.Linq.Enumerable.First[TSource](IEnumerable`1 source)
    in ConfigurationManagementModel.CfgStringsEnum.GetValue()
    in System.Lazy`1.CreateValue()
    in System.Lazy`1.LazyInitValue()
    in ManagementConsoleJS.Services.Adapters.CmmAdapter.SerializeCmmEnum(ICfgEnum value)
    in ManagementConsoleJS.Services.Adapters.CmmAdapter.SerializeCmmProperty(String wpPropName, ICfgProperty prop)
    in ManagementConsoleJS.Services.Adapters.CmmAdapter.SerializeCmmItem(ICfgItem item, Boolean isTopLevel)
    in System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
    in System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
    in System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
    in ManagementConsoleJS.Services.Adapters.CmmAdapter.SerializeCmmProperty(String wpPropName, ICfgProperty prop)
    in ManagementConsoleJS.Services.Adapters.CmmAdapter.SerializeCmmItem(ICfgItem item, Boolean isTopLevel)
    in ManagementConsoleJS.Services.EditorServiceExtensions.ProcessActiveObjectRegistration(IEditorService editorService, ICfgItem obj, PropertyFilter filter)
    in Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.<InvokeActionFilterAsync>d__28.MoveNext()
    --- Fine traccia dello stack da posizione precedente dove è stata generata l'eccezione ---
    in Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.<InvokeAsync>d__18.MoveNext()
    --- Fine traccia dello stack da posizione precedente dove è stata generata l'eccezione ---
    in System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
    in System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
    in Microsoft.AspNetCore.Builder.RouterMiddleware.<Invoke>d__4.MoveNext()
    --- Fine traccia dello stack da posizione precedente dove è stata generata l'eccezione ---
    in System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
    in System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
    in ManagementConsoleJS.Middleware.ExceptionWrapperMiddleware.<Invoke>d__3.MoveNext()

    What can i do?
     
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