Getting an error: "System error at initialization: The given key was not present in the dictionary. at Source: mscorlib" while running main.xaml file

@arun.brahma wrote:

Hi,
I am getting the error: “System error at initialization: The given key was not present in the dictionary. at Source: mscorlib” and after that all applications are getting closed. I referred to this link: UiPath Forum Help for same error but it didn’t help as I checked spelling of keys and spaces in arguement and in excel and everything seemed perfect.
I also uploaded UiDemo Reframework Level 3 zip file here. Please check xaml file if you could figure out what’s the error.

level3ref1919×1011 84.1 KB

ReFramework_UiDemo.zip (1.8 MB)

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