module Restforce::ErrorCode

def self.const_missing(constant_name)
  warn "[restforce] You're referring to a Restforce error that isn't defined, " \
       "`#{name}::#{constant_name}` (for example by trying to `rescue` it). This " \
       "might be our fault - we've recently made some changes to how errors are " \
       "defined. If you're sure that this is a valid Salesforce error, then " \
       "please create an issue on GitHub at <#{GITHUB_ISSUE_URL}>."
  super(constant_name)
end