Fatal error: Uncaught Error: Interface 'Nexus\CsConfig\Ruleset\RulesetInterface' not found in /var/www/app/appregwebservice/vendor/nexusphp/cs-config/src/Ruleset/AbstractRuleset.php:16 Stack trace: #0 {main} thrown in /var/www/app/appregwebservice/vendor/nexusphp/cs-config/src/Ruleset/AbstractRuleset.php on line 16