src/Application.php
public function exitWithError($message, $code = 128)
    {
        fwrite(STDERR, TerminalInfo::colorize($message, TerminalInfo::RED_BACKGROUND).PHP_EOL);
        exit($code);
    }
public function exitWithError($message, $code = 128)
    {
        fwrite(STDERR, TerminalInfo::colorize($message, TerminalInfo::RED_BACKGROUND).PHP_EOL);
        exit($code);
    }
Shows error and terminates script
@param string $message
@param int $code