Qiitaなどで一通り確認した上でご質問します。
5.0.0.1から5.2を導入時に、bootsnapを入れました。それによって、以下の状況が起きており、bootsnapを外すとbootsnapが無いと表示されます。

bootsnapのキャッシュもクリアしましたが無理でした。
お知恵をおかしください。

=> Booting Puma
=> Rails 5.2.2 application starting in development 
=> Run `rails server -h` for more startup options
Exiting
Traceback (most recent call last):
    51: from bin/rails:4:in `<main>'
    50: from bin/rails:4:in `require'
    49: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/railties-5.2.2/lib/rails/commands.rb:18:in `<top (required)>'
    48: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/railties-5.2.2/lib/rails/command.rb:46:in `invoke'
    47: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/railties-5.2.2/lib/rails/command/base.rb:65:in `perform'
    46: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/thor-0.20.3/lib/thor.rb:387:in `dispatch'
    45: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/thor-0.20.3/lib/thor/invocation.rb:126:in `invoke_command'
    44: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/thor-0.20.3/lib/thor/command.rb:27:in `run'
    43: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/railties-5.2.2/lib/rails/commands/server/server_command.rb:142:in `perform'
    42: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/railties-5.2.2/lib/rails/commands/server/server_command.rb:142:in `tap'
    41: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/railties-5.2.2/lib/rails/commands/server/server_command.rb:147:in `block in perform'
    40: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/railties-5.2.2/lib/rails/commands/server/server_command.rb:51:in `start'
    39: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/railties-5.2.2/lib/rails/commands/server/server_command.rb:89:in `log_to_stdout'
    38: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/rack-2.0.6/lib/rack/server.rb:354:in `wrapped_app'
    37: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/railties-5.2.2/lib/rails/commands/server/server_command.rb:27:in `app'
    36: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/rack-2.0.6/lib/rack/server.rb:219:in `app'
    35: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/rack-2.0.6/lib/rack/server.rb:319:in `build_app_and_options_from_config'
    34: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/rack-2.0.6/lib/rack/builder.rb:40:in `parse_file'
    33: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/rack-2.0.6/lib/rack/builder.rb:49:in `new_from_string'
    32: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/rack-2.0.6/lib/rack/builder.rb:49:in `eval'
    31: from config.ru:in `<main>'
    30: from config.ru:in `new'
    29: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/rack-2.0.6/lib/rack/builder.rb:55:in `initialize'
    28: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/rack-2.0.6/lib/rack/builder.rb:55:in `instance_eval'
    27: from config.ru:3:in `block in <main>'
    26: from config.ru:3:in `require_relative'
    25: from /Users/hogetaro/Documents/GitHub/fictapg/config/environment.rb:5:in `<top (required)>'
    24: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/railties-5.2.2/lib/rails/application.rb:361:in `initialize!'
    23: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/railties-5.2.2/lib/rails/initializable.rb:60:in `run_initializers'
    22: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/2.5.0/tsort.rb:205:in `tsort_each'
    21: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/2.5.0/tsort.rb:226:in `tsort_each'
    20: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/2.5.0/tsort.rb:347:in `each_strongly_connected_component'
    19: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/2.5.0/tsort.rb:347:in `call'
    18: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/2.5.0/tsort.rb:347:in `each'
    17: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/2.5.0/tsort.rb:349:in `block in each_strongly_connected_component'
    16: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/2.5.0/tsort.rb:431:in `each_strongly_connected_component_from'
    15: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/2.5.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component'
    14: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/2.5.0/tsort.rb:228:in `block in tsort_each'
    13: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/railties-5.2.2/lib/rails/initializable.rb:61:in `block in run_initializers'
    12: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/railties-5.2.2/lib/rails/initializable.rb:32:in `run'
    11: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/railties-5.2.2/lib/rails/initializable.rb:32:in `instance_exec'
    10: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/devise-4.5.0/lib/devise/rails.rb:37:in `block in <class:Engine>'
     9: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/devise-4.5.0/lib/devise/secret_key_finder.rb:12:in `find'
     8: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/railties-5.2.2/lib/rails/application.rb:399:in `secrets'
     7: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/railties-5.2.2/lib/rails/secrets.rb:26:in `parse'
     6: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/railties-5.2.2/lib/rails/secrets.rb:26:in `each_with_object'
     5: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/railties-5.2.2/lib/rails/secrets.rb:26:in `each'
     4: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/gems/2.5.0/gems/railties-5.2.2/lib/rails/secrets.rb:29:in `block in parse'
     3: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/2.5.0/erb.rb:876:in `result'
     2: from /Users/hogetaro/.rbenv/versions/2.5.3/lib/ruby/2.5.0/erb.rb:876:in `eval'
     1: from (erb):22:in `<main>'
(erb):22:in `[]': no implicit conversion of Symbol into String (TypeError)