Fatal error: Uncaught RuntimeException: The exit status code '1' says something went wrong: stderr: "Loading pages (1/6) [> ] 0% [======> ] 10% [=========> ] 16% [============> ] 20% [=============> ] 23% [===============> ] 26% Error: Failed to load https://px.ads.linkedin.com/collect/?pid=1357906&fmt=gif, with network status code 301 and http status code 502 - Error downloading https://px.ads.linkedin.com/collect/?pid=1357906&fmt=gif - server replied: Bad Gateway [=================> ] 29% [==================> ] 31% [====================> ] 34% [=====================> ] 36% [===== in /var/www/html/vendor/knplabs/knp-snappy/src/Knp/Snappy/AbstractGenerator.php on line 336