Error while deploying application, Ruby on Rails tutorial?

Question

Ruby on Rails

I am going through a book on Ruby on Rails (the university wants exactly this technology) and having done everything exactly according to the algorithm I get this error. Please help me figure out why, thanks.

Answer 1

You either need to upgrade to an earlier version of ruby ​​( < 2.4.0 ), or upgrade rails to 5.0.2 or higher.
The error occurs due to the fact that in ruby ​​2.4.0 Fixnum and Bignum were combined into Integer https://www.ruby-lang.org/en/news/2016/12/25/ruby-...