Error will paginate

I could have used paginate whose information is provide

By ruby on rails tutorial

f:id:taiga0519start:20200115223757p:plain


 

tai awatanabe start-cloned-cl a inate error start-cloned-cl D DIVER Rails01 Ruby on R x start-cloned-3 + v Rails 5.1 5k ON 333) CODE SAMPLE Rails F x https:// 5. l#sec-pagination I-JA B 10.45: indexA Y epaginationE(E app/ views/ users/index. h tm1. erb provide(:title, 'All users') %> <h1>All users</hl> wi I l_paginate <ul class="users"> @users. each do luserl %> gravatar_for user, size: I ink_to user. name, user <% end %> </ul> wi I l_paginate 50 CDwi11_paginateYOYy & (a, users en —O)ZI 21 2019/05/05 $ rai Is console >> User. paginate (page: 1) User Load (1. SELECT (1. 7ms) SELECT COUNT => i veRecord: : Rel at i on 10.36), " LIMIT 30 OFFSET O "users". * FROM " FROM "users" id: 1, users

 

Above the picture 'will paginate 'is not function for my cloud9

And I had been looked during two days to find out the solution although .

Today I finally found out my book whose title is ruby on rails 5 published by real engineer and then

The solution is instead of using will paginate ,

I used gem is 'gem 'kaminari' which was function for my cloud 9

Remember finding way , I should be more care about time .