EssentialsX version (run /essentials): 2.0.1-b589

Server software (run /version): PaperSpigot 1.8.8-R0.1-SNAPSHOT

Server (logs/latest.log): https://hastebin.com/ukosezezip.md

EssentialsX config (plugins/Essentials/config.yml): https://hastebin.com/kirutimope.vbs

Details: What does the "Loop Protection! Change the command name or the command output." mean? How can I fix it?

That doesn't look like an EssentialsX issue.

Could you provide a screenshot or log output where this message appears?

Closing due to lack of response. If this is still a problem, feel free to reopen the issue.