This error is raised when a default session is not defined.
Create the new error with the defined session names.
@example Create the new error.
NoDefaultSession.new([ :secondary ])
@param [ Array<Symbol> ] keys The defined sessions.
@since 3.0.0
# File lib/mongoid/errors/no_default_session.rb, line 15 def initialize(keys) super( compose_message("no_default_session", { keys: keys.join(", ") }) ) end