Killed the dragon and got big fat crash report. love this mod hope this gets fixed soon

---- Minecraft Crash Report ----
// Hi. I'm Minecraft, and I'm a crashaholic.

Time: 7/4/19 8:05 AM
Description: Colliding entity with block

java.lang.NullPointerException: Colliding entity with block
at net.minecraft.entity.Entity.func_212321_a(Entity.java:2125) ~[?:?] {pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.block.EndPortalBlock.func_196262_a(SourceFile:41) ~[?:?] {}
at net.minecraft.block.BlockState.func_196950_a(BlockState.java:262) ~[?:?] {pl:runtimedistcleaner:A}
at net.minecraft.entity.Entity.func_145775_I(Entity.java:838) ~[?:?] {pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.entity.Entity.func_213315_a(Entity.java:572) ~[?:?] {pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.entity.item.ExperienceOrbEntity.func_70071_h_(ExperienceOrbEntity.java:114) ~[?:?] {pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.world.ServerWorld.func_217479_a(ServerWorld.java:574) ~[?:?] {pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.world.World.func_217390_a(World.java:684) ~[?:?] {pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.world.ServerWorld.func_72835_b(ServerWorld.java:381) ~[?:?] {pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:813) ~[?:?] {pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:324) ~[?:?] {pl:accesstransformer:B}
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:748) ~[?:?] {pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:609) [?:?] {pl:accesstransformer:B,pl:runtimedistcleaner:A}
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_212] {}

A detailed walkthrough of the error, its code path and all known details is as follows:

-- Head --
Thread: Server thread
Stacktrace:
at net.minecraft.entity.Entity.func_212321_a(Entity.java:2125)
at net.minecraft.block.EndPortalBlock.func_196262_a(SourceFile:41)
at net.minecraft.block.BlockState.func_196950_a(BlockState.java:262)

-- Block being collided with --
Details:
Block: Block{minecraft:end_portal}
Block location: World: (0,59,1), Chunk: (at 0,3,1 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Stacktrace:
at net.minecraft.entity.Entity.func_145775_I(Entity.java:838)

-- Entity being checked for collision --
Details:
Entity Type: minecraft:experience_orb (net.minecraft.entity.item.ExperienceOrbEntity)
Entity ID: 340
Entity Name: Experience Orb
Entity's Exact location: 0.76, 59.00, 1.76
Entity's Block location: World: (0,59,1), Chunk: (at 0,3,1 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Entity's Momentum: 0.04, -0.00, 0.03
Entity's Passengers: []
Entity's Vehicle: ERROR NullPointerException: null
Stacktrace:
at net.minecraft.entity.Entity.func_213315_a(Entity.java:572)
at net.minecraft.entity.item.ExperienceOrbEntity.func_70071_h_(ExperienceOrbEntity.java:114)
at net.minecraft.world.ServerWorld.func_217479_a(ServerWorld.java:574)

-- Entity being ticked --
Details:
Entity Type: minecraft:experience_orb (net.minecraft.entity.item.ExperienceOrbEntity)
Entity ID: 340
Entity Name: Experience Orb
Entity's Exact location: 0.76, 59.00, 1.76
Entity's Block location: World: (0,59,1), Chunk: (at 0,3,1 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Entity's Momentum: 0.04, -0.00, 0.03
Entity's Passengers: []
Entity's Vehicle: ERROR NullPointerException: null
Stacktrace:
at net.minecraft.world.World.func_217390_a(World.java:684)
at net.minecraft.world.ServerWorld.func_72835_b(ServerWorld.java:381)

-- Affected level --
Details:
All players: 1 total; [ServerPlayerEntity['Deadly_Dream'/235, l='Selobgo_s Server', x=26.69, y=61.00, z=-37.09]]
Chunk stats: ServerChunkCache: 1718
Level dimension: DimensionType{minecraft:the_end}
Derived: true
Level name: Selobgo_s Server
Level seed: 8858483317858637012
Level generator: ID 00 - default, ver 1. Features enabled: true
Level generator options: {}
Level spawn location: World: (176,71,-3), Chunk: (at 0,4,13 in 11,-1; contains blocks 176,0,-16 to 191,255,-1), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
Level time: 2204261 game time, 36643 day time
Level storage version: 0x04ABD - Anvil
Level weather: Rain time: 41765 (now: false), thunder time: 292 (now: true)
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:813)
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:324)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:748)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:609)
at java.lang.Thread.run(Thread.java:748)

-- System Details --
Details:
Minecraft Version: 1.14.3
Operating System: Linux (amd64) version 3.10.0-957.12.1.el7.x86_64
Java Version: 1.8.0_212, Oracle Corporation
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 1832931216 bytes (1748 MB) / 2130051072 bytes (2031 MB) up to 2130051072 bytes (2031 MB)
JVM Flags: 10 total; -Xmx2048M -Xms2048M -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -XX:+CMSIncrementalMode -XX:+CMSIncrementalPacing -XX:ParallelGCThreads=2 -XX:+AggressiveOpts -XX:+CMSClassUnloadingEnabled -XX:MaxMetaspaceSize=256M
FML: New FML!
Loaded coremods (and transformers): Nothing
Player Count: 1 / 35; [ServerPlayerEntity['Deadly_Dream'/235, l='Selobgo_s Server', x=26.69, y=61.00, z=-37.09]]
Data Packs: mod:gobber2, mod:essentials, mod:practicaltools, mod:philosopher, vanilla, mod:worldedit, mod:waddles, mod:uteamcore, mod:usefulbackpacks, mod:tolaserblade, mod:reap, mod:mobcatcher, mod:metalbarrels, mod:jei, mod:inventorysorter, mod:forge, mod:forbidden_arcanus, mod:fastleafdecay, mod:doggytalents, mod:corpse, mod:cfm
Is Modded: Definitely; Server brand changed to 'forge'
Type: Dedicated Server (map_server.txt)