Particle Effects

Hello!

I'd just like to ask about an annoying error that's been occurring on a server lately.

basically, this message keeps appearing

[Tue, 12. Jun 2018 12:27:55 EDT INFO] [@: Playing effect largesmoke for 10 times]

(That's taken from the console)


But, it's not just once, it's many times

Lotta text... (open) Lotta text... (close)

[Tue, 12. Jun 2018 12:27:55 EDT INFO] [@: Playing effect largesmoke for 10 times]
[Tue, 12. Jun 2018 12:27:55 EDT INFO] [@: Playing effect largesmoke for 10 times]
[Tue, 12. Jun 2018 12:27:55 EDT INFO] [@: Playing effect largesmoke for 10 times]
[Tue, 12. Jun 2018 12:27:55 EDT INFO] [@: Playing effect largesmoke for 10 times]
[Tue, 12. Jun 2018 12:27:55 EDT INFO] [@: Playing effect largesmoke for 10 times]
[Tue, 12. Jun 2018 12:27:55 EDT INFO] [@: Playing effect largesmoke for 10 times]
[Tue, 12. Jun 2018 12:27:55 EDT INFO] [@: Playing effect largesmoke for 10 times]
[Tue, 12. Jun 2018 12:27:56 EDT INFO] [@: Playing effect largesmoke for 10 times]
[Tue, 12. Jun 2018 12:27:56 EDT INFO] [@: Playing effect largesmoke for 10 times]
[Tue, 12. Jun 2018 12:27:56 EDT INFO] [@: Playing effect largesmoke for 10 times]
[Tue, 12. Jun 2018 12:27:56 EDT INFO] [@: Playing effect largesmoke for 10 times]
[Tue, 12. Jun 2018 12:27:56 EDT INFO] [@: Playing effect largesmoke for 10 times]
[Tue, 12. Jun 2018 12:27:56 EDT INFO] [@: Playing effect largesmoke for 10 times]
[Tue, 12. Jun 2018 12:27:56 EDT INFO] [@: Playing effect largesmoke for 10 times]
[Tue, 12. Jun 2018 12:27:56 EDT INFO] [@: Playing effect largesmoke for 10 times]
[Tue, 12. Jun 2018 12:27:56 EDT INFO] [@: Playing effect largesmoke for 10 times]
[Tue, 12. Jun 2018 12:27:56 EDT INFO] [@: Playing effect largesmoke for 10 times]
[Tue, 12. Jun 2018 12:27:56 EDT INFO] [@: Playing effect largesmoke for 10 times]
[Tue, 12. Jun 2018 12:27:56 EDT INFO] [@: Playing effect largesmoke for 10 times]
[Tue, 12. Jun 2018 12:27:56 EDT INFO] [@: Playing effect largesmoke for 10 times]
[Tue, 12. Jun 2018 12:27:56 EDT INFO] [@: Playing effect largesmoke for 10 times]
[Tue, 12. Jun 2018 12:27:56 EDT INFO] [@: Playing effect largesmoke for 10 times]
[Tue, 12. Jun 2018 12:27:56 EDT INFO] [@: Playing effect largesmoke for 10 times]
[Tue, 12. Jun 2018 12:27:56 EDT INFO] [@: Playing effect largesmoke for 10 times]

Just like that, and will keep sending the message again and again until chat is filled with it.

The issue only happens when I've got command blocks enabled on the server, which makes it all the more frustrating.

If anyone could tell me what's up with this and how I could fix it, that'd be great!

Thank you!