Warning: require(__DIR__/../vendor/autoload.php) [function.require]: failed to open stream: No such file or directory in /u/www/travel/b2c/line-bot-sdk/tests/bootstrap.php on line 19

Fatal error: require() [function.require]: Failed opening required '__DIR__/../vendor/autoload.php' (include_path='.:/usr/local/lib/php') in /u/www/travel/b2c/line-bot-sdk/tests/bootstrap.php on line 19