ruby on rails - To use the :country input, please install a country_select plugin -

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I have a country specialty in my guideline model. I do not want to use a plugin, I just use the country as string Have to be Unless I try to edit a guideline in the activeadmin and then I get an error message:

ActionView :: Template :: Error (To use country input, please use country_select plugin Install this, like this: :): 1: insert_tag renderer_for (edit)

in my form 

     
 My Administrators / Guidelines. I have  
  index column in RB: Title column: Attribute column: Content column: Hospital column: Country column: User default_ End of responses    
 
 
 I'm not sure where you get this form code but I had the same issue with the active admin and the field string To explicitly direct the form to behave as It was resolved:  
  ActiveAdmin.register guidelines form | F | F.inputs 'Description' is done f.input: Country ,: as in = & gt; : String ending f.actions end

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