The FTB Forum is now read-only, and is here as an archive.
To participate in our community discussions, please join our Discord! https://ftb.team/discord
So I had this issue and what worked for me is I removed the empty lines and pasted this mass of commands (they turn on garbage collection and help the server run well). I would post the link to the source creator of them, but apparently I can't post a link in my first 5 posts on this forum...