Warning: ddtrace_init(/opt/lampp/htdocs/vendor/autoload.php): failed to open stream: No such file or directory in /opt/datadog-php/dd-trace-sources/bridge/dd_wrap_autoloader.php on line 3

Fatal error: ddtrace_init(): Failed opening required '/opt/lampp/htdocs/vendor/autoload.php' (include_path='.:/usr/share/pear:/usr/share/php:/usr/share/pear:/usr/share/php') in /opt/datadog-php/dd-trace-sources/bridge/dd_wrap_autoloader.php on line 3