My server crash report ：Server crash - Pastebin.com
My installed mods and plugins
SpongeForge, FastAsyncWorldEdit, ActionBroadcaster, CarrotShop, CatClearLag, CommandSigns Reloaded, EconomyLite, GWMCrates, GWMLibrary, GriefPrevention, Holograms, InstantRespawn, LuckPerms, MMCRestrict, Nucleus, Pixelmon , PixelGenocide, PixelMoney, PixelmonEconomyBridge, PlaceholderAPI, PvpToggle, ServerListPlus, SignEditor, StatusProtocol, TabManager, TreeDestroyage, UltimateChat, VirtualChest, VirtualTool, WorldEdit, keys