Add this small plugin (https://www.spigotmc.org/resources/hcf-anti-pearl-glitch.19005/download?version=70750)

/msg [core.msg]
/reply (/r alias) [core.reply]
/mod (mod mode) [core.mod]
/vanish [core.vanish]

/report [core.report]
/freeze [core.freeze]
/unfreeze [core.unfreeze]

/broadcast [core.broadcast]
/setspawn (same as essentials spawn) [core.setspawn]
/spawn [core.spawn]

chat manager (like essentials chat with PermissionsEX compatability)
color codes in chat [core.color]
make messages in the plugin fully customizable