*** No MethodError Exception: undefined method 'split' for : "content-type": Symbol

When we upload the videos using carrier wave or paperclip then we mostly getting some content-type error like -

*** No MethodError Exception: undefined method 'split' for : "content-type": Symbol

Then we have to check our RVM Version if version is 

 ruby-2.2.1

WE NEED TO CHANGE OUR RVM:-
WE NEED TO USE :-


 ruby-2.3.1

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