Help with Minecraft plugin replacing default tp [duplicate]

As the title states, I am having trouble with entity teleporting in Minecraft. I know that I am doing it correct as it works in singleplayer, so I figured it would be a plugin that is stopping me from teleporting entities. The command I am using is /tp @e[name=o] ~ ~300 ~, and the plugins on my server are:

AsyncWorldEditInjector, WorldEdit, Installer, VoxelSniper, Skript, CustomServerMessages, Buycraft, ColoredSigns, Vault, Multiverse-Core, PermissionsEx, EmptyWorldGenerator, WorldGuard, Tablist, CoreProtect, ItemRenamer, BuycraftAnnouncer, NoLeafDecay, WildSkript, ProtocolLib, HolographicDisplays, mcMMO, VoidWorld, Essentials, ArmorStandEditor, AsyncWorldEdit, EssentialsProtect, AuctionHouse, EssentialsSpawn, EssentialsGeoIP, WirelessRedstone, EssentialsAntiBuild, FakePlayersOnline, TitleManager, CraftBook, EssentialsChat

If you know how to fix this or what plugins to remove/disable please inform me. Thanks.

I see you are using Essentials. I had the same problem on my server, just do:

/minecraft:tp @e[name=o] ~ ~300 ~