Fatal error: Uncaught RuntimeException: The exit status code '1' says something went wrong:
stderr: "Loading pages (1/6)
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Warning: Failed to load http://multibrand.amserv.dev4.modera.org/error.php?error=404&page=/js/src/modera-form.js (ignore)
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[==================================> in /var/www/sites/multibrand.amserv.dev4.modera.org/class/vendor/knplabs/knp-snappy/src/Knp/Snappy/AbstractGenerator.php on line 336