Uninstalling Lighttpd also removed the Nextcloud specific configuration, including the APCu for CLI setting. There are other security relevant settings, so I recommend to reinstall Nextcloud (ID 114) to reapply them.
Ah yeah whenever a command that was copy pasted requires console input, like a “y” as confirmation, the following pasted commands are omitted. So indeed it is better to run them 1 by 1. Actually something we should point out on the guide.