def const_missing(const)
if const.to_s == 'CONFIG_FILE'
Logger.warn Errors::ConfigError.new("Configuration File Upgrade Needed\nYour configuration file, located at \#{ Config.config_file }\nneeds to be upgraded for this version of Backup.\nThe reference to 'Backup::CONFIG_FILE' in your current config.rb file\nhas been deprecated and needs to be replaced with 'Config.config_file'.\nYou may update this reference in your config.rb manually,\nor generate a new config.rb using 'backup generate:config'.\n* Note: if you have global configuration defaults set in config.rb,\nbe sure to transfer them to your new config.rb, should you choose\nto generate a new config.rb file.\n")
return Config.config_file
end
super
end