无法启动Mono-develop ubuntu

Question

➭ monodevelop

Unhandled Exception:
System.TypeLoadException: Failure has occurred while loading a type.
  at MonoDevelop.Startup.MonoDevelopMain.Main (System.String[] args) <0x40475e80 + 0x0000f> in <filename unknown>:0 
[ERROR] FATAL UNHANDLED EXCEPTION: System.TypeLoadException: Failure has occurred while loading a type.
  at MonoDevelop.Startup.MonoDevelopMain.Main (System.String[] args) <0x40475e80 + 0x0000f> in <filename unknown>:0 

gtk-sharp2，gtksharp3和mono-complete已安装在我的系统中。单声道开发没有开始。

有关如何修复它的任何想法。