The ServerError exception is deprecated. Any exception is considered an internal server error.

Methods
C
N
Class Public methods
new(*args, &block)

Source: show | on GitHub 

    # File lib/sinatra/compat.rb, line 70
70:     def initialize(*args, &block)
71:       sinatra_warn 'Sinatra::ServerError is deprecated;',
72:         'use another exception, error, or Kernel#fail instead.'
73:     end
Instance Public methods
code()

Source: show | on GitHub 

    # File lib/sinatra/compat.rb, line 74
74:     def code ; 500 ; end