WARNING(2): "require(/homepages/19/d83848818/htdocs/gxshop/vendor/composer/../symfony/var-dumper/Resources/functions/dump.php): failed to open stream: No such file or directory"

Fatal error: require(): Failed opening required '/homepages/19/d83848818/htdocs/gxshop/vendor/composer/../symfony/var-dumper/Resources/functions/dump.php' (include_path='.:/usr/lib/php7.0') in /homepages/19/d83848818/htdocs/gxshop/vendor/composer/autoload_real.php on line 66
COMPILE ERROR(64): "require(): Failed opening required '/homepages/19/d83848818/htdocs/gxshop/vendor/composer/../symfony/var-dumper/Resources/functions/dump.php' (include_path='.:/usr/lib/php7.0')"