Erro ao processar a página

A página /como_chegar gerou um erro ao ser processada.

Render: index
Callers:
   process.rb:50:in `render_file'
   process.rb:198:in `block in initialize'
   /sites/calcadadafamarigor.com.br/www/ruby/lib/startup.erb:6:in `eval'
   /sites/calcadadafamarigor.com.br/www/ruby/lib/startup.erb:6:in `block in initialize'
   /sites/calcadadafamarigor.com.br/www/ruby/lib/startup.erb:3:in `catch'
   /sites/calcadadafamarigor.com.br/www/ruby/lib/startup.erb:3:in `initialize'
Backtrace:
   index.html.haml:54:in `load'
   index.html.haml:54:in `block (2 levels) in initialize'
   index.html.haml:49:in `each'
   index.html.haml:49:in `block in initialize'
   /rails/simplesite/.asdf/installs/ruby/2.6.5/lib/ruby/gems/2.6.0/gems/haml-4.0.7/lib/haml/engine.rb:129:in `eval'
   /rails/simplesite/.asdf/installs/ruby/2.6.5/lib/ruby/gems/2.6.0/gems/haml-4.0.7/lib/haml/engine.rb:129:in `render'
Exception: TypeError
Message: incompatible marshal file format (can't be read)
	format version 4.8 required; 60.33 given