Server crashes when an a morph entity is blown up.

Anytime the morph entity, which is the thing that drops when you kill a mob for the first time, is blown up, the server crashes causing this error:

---- Minecraft Crash Report ---- // This doesn't make any sense!

Time: 2021-01-20 23:37:39 EST Description: Ticking entity

java.lang.ClassCastException: mchorse.metamorph.entity.EntityMorph cannot be cast to net.minecraft.entity.EntityLiving at com.bafomdad.uniquecrops.events.UCEventHandlerServer.checkDrops(UCEventHandlerServer.java:358) at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_1204_UCEventHandlerServer_checkDrops_LivingDropsEvent.invoke(.dynamic) at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90) at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:182) at net.minecraftforge.common.ForgeHooks.onLivingDrops(ForgeHooks.java:620) at net.minecraft.entity.EntityLivingBase.onDeath(EntityLivingBase.java:1202) at net.minecraft.entity.EntityLivingBase.attackEntityFrom(EntityLivingBase.java:1023) at net.minecraft.world.Explosion.doExplosionA(Explosion.java:159) at net.minecraft.world.WorldServer.newExplosion(WorldServer.java:1169) at net.minecraft.world.World.createExplosion(World.java:2303) at net.minecraft.entity.item.EntityTNTPrimed.explode(SourceFile:99) at net.minecraft.entity.item.EntityTNTPrimed.onUpdate(SourceFile:89) at net.minecraft.world.World.updateEntityWithOptionalForce(World.java:1996) at net.minecraft.world.WorldServer.updateEntityWithOptionalForce(WorldServer.java:832) at net.minecraft.world.World.updateEntity(World.java:1958) at net.minecraft.world.World.redirect$zzl000$updateEntity(World.java:4123) at net.minecraft.world.World.updateEntities(World.java:1762) at net.minecraft.world.WorldServer.updateEntities(WorldServer.java:613) at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:767) at net.minecraft.server.dedicated.DedicatedServer.updateTimeLightAndEntities(DedicatedServer.java:397) at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:668) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526) at java.lang.Thread.run(Unknown Source)

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

-- Entity being ticked -- Entity Type: minecraft:tnt (net.minecraft.entity.item.EntityTNTPrimed) Entity ID: 14527 Entity Name: Block of TNT Entity's Exact location: 47.70, 71.00, -134.51 Entity's Block location: World: (47,71,-135), Chunk: (at 15,4,9 in 2,-9; contains blocks 32,0,-144 to 47,255,-129), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1) Entity's Momentum: 0.00, -0.00, -0.00 Entity's Passengers: [] Entity's Vehicle: ~~ERROR~~ NullPointerException: null Entity NBT: {Fuse:0s,Motion:[2.7916843157395503E-14d,-0.0d,-1.0531023456382114E-15d],ForgeData:{},UUIDLeast:-6710395018269582725L,RelativeAABB:[-0.49000000953674316d,0.0d,-0.49000000953674316d,0.49000000953674316d,0.9800000190734863d,0.49000000953674316d],Invulnerable:0b,Air:300s,OnGround:1b,Dimension:0,PortalCooldown:0,Rotation:[0.0f,0.0f],UpdateBlocked:0b,FallDistance:0.0f,UUIDMost:-8574512226803888238L,Pos:[47.70328114592098d,71.0d,-134.50766834023412d],Fire:-1s,ForgeCaps:{"llibrary:extendedentitydatacapability":{}}}

-- Affected level -- Level name: world All players: 2 total; [EntityPlayerMP['Semyi'/11499, l='world', x=162.59, y=66.26, z=11.36], EntityPlayerMP['xDoom'/11496, l='world', x=46.22, y=73.07, z=-130.07]] Chunk stats: ServerChunkCache: 741 Drop: 0 Level seed: -8465390070990315707 Level generator: ID 06 - BIOMESOP, ver 0. Features enabled: true Level generator options: Level spawn location: World: (136,64,-116), Chunk: (at 8,4,12 in 8,-8; contains blocks 128,0,-128 to 143,255,-113), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1) Level time: 12484 game time, 14664 day time Level dimension: 0 Level storage version: 0x04ABD - Anvil Level weather: Rain time: 61392 (now: false), thunder time: 133760 (now: false) Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false

-- System Details -- Minecraft Version: 1.12.2 Operating System: Windows 10 (amd64) version 10.0 Java Version: 1.8.0_271, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 4590766152 bytes (4378 MB) / 6177161216 bytes (5891 MB) up to 6177161216 bytes (5891 MB) JVM Flags: 2 total; -Xmx6144M -Xms6144M IntCache: cache: 7, tcache: 0, allocated: 3, tallocated: 104 FML: MCP 9.42 Powered by Forge 14.23.5.2854 103 mods loaded, 102 mods active States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored

   | State  | ID                     | Version                | Source                                             | Signature                                |
   |:------ |:---------------------- |:---------------------- |:-------------------------------------------------- |:---------------------------------------- |
   | LCHIJA | minecraft              | 1.12.2                 | minecraft.jar                                      | None                                     |
   | LCHIJA | mcp                    | 9.42                   | minecraft.jar                                      | None                                     |
   | LCHIJA | FML                    | 8.0.99.99              | forgeserver.jar                                    | e3c3d50c7c986df74c645c0ac54639741c90a557 |
   | LCHIJA | forge                  | 14.23.5.2854           | forgeserver.jar                                    | e3c3d50c7c986df74c645c0ac54639741c90a557 |
   | LCHIJA | ivtoolkit              | 1.3.3-1.12             | minecraft.jar                                      | None                                     |
   | LCHIJA | openmodscore           | 0.12.2                 | minecraft.jar                                      | None                                     |
   | LCHIJA | randompatches          | 1.12.2-1.22.1.7        | randompatches-1.12.2-1.22.1.7.jar                  | None                                     |
   | LCHIJA | aether_legacy          | 1.5.2                  | aether-1.12.2-v1.5.2.jar                           | None                                     |
   | LCHIJA | aether_legacy_addon    | 1.12.2-v1.3.0          | Aether+Continuation+v1.3.0.jar                     | None                                     |
   | LCHIJA | biomesoplenty          | 7.0.1.2441             | BiomesOPlenty-1.12.2-7.0.1.2441-universal.jar      | None                                     |
   | LCHIJA | redstoneflux           | 2.1.1                  | RedstoneFlux-1.12-2.1.1.1-universal.jar            | None                                     |
   | LCHIJA | cofhcore               | 4.6.6                  | CoFHCore-1.12.2-4.6.6.1-universal.jar              | None                                     |
   | LCHIJA | craftstudioapi         | 1.0.0                  | CraftStudioAPI-universal-1.0.1.95-mc1.12-alpha.jar | None                                     |
   | LCHIJA | harvestcraft           | 1.12.2zb               | Pam's+HarvestCraft+1.12.2zg.jar                    | None                                     |
   | LCHIJA | twilightforest         | 3.10.1013              | twilightforest-1.12.2-3.10.1013-universal.jar      | None                                     |
   | LCHIJA | animania               | 2.0.2.26               | animania-1.12.2-base-2.0.2.26.jar                  | None                                     |
   | LCHIJA | applecore              | 3.4.0                  | AppleCore-mc1.12.2-3.4.0.jar                       | None                                     |
   | LCHIJA | jei                    | 4.16.1.302             | jei_1.12.2-4.16.1.302.jar                          | None                                     |
   | LCHIJA | appleskin              | 1.0.9                  | AppleSkin-mc1.12-1.0.9.jar                         | None                                     |
   | LCHIJA | appliedenergistics2    | rv6-stable-7           | appliedenergistics2-rv6-stable-7.jar               | dfa4d3ac143316c6f32aa1a1beda1e34d42132e5 |
   | LCHIJA | aquaculture            | 1.6.8                  | Aquaculture-1.12.2-1.6.8.jar                       | None                                     |
   | LCHIJA | artemislib             | 1.0.6                  | ArtemisLib-1.12.2-v1.0.6.jar                       | None                                     |
   | LCHIJA | autoreglib             | 1.3-32                 | AutoRegLib-1.3-32.jar                              | None                                     |
   | LCHIJA | battletowers           | 1.6.5                  | BattleTowers-1.12.2.jar                            | None                                     |
   | LCHIJA | baubles                | 1.5.2                  | Baubles-1.12-1.5.2.jar                             | None                                     |
   | LCHIJA | bookshelf              | 2.3.589                | Bookshelf-1.12.2-2.3.589.jar                       | d476d1b22b218a10d845928d1665d45fce301b27 |
   | LCHIJA | bountifulbaubles       | 0.0.1                  | Bountiful+Baubles-1.12.2-0.1.6.jar                 | None                                     |
   | LCHIJA | carryon                | 1.12.3                 | carryon-1.12.2-1.12.3.15.jar                       | fd21553434f4905f2f73ea7838147ac4ea07bd88 |
   | LCHIJA | chopdownupdated        | 1.12.2-1.2.4           | chopdownupdated-1.12.2-1.2.4.jar                   | None                                     |
   | LCHIJA | codechickenlib         | 3.2.3.358              | CodeChickenLib-1.12.2-3.2.3.358-universal.jar      | f1850c39b2516232a2108a7bd84d1cb5df93b261 |
   | LCHIJA | cofhworld              | 1.4.0                  | CoFHWorld-1.12.2-1.4.0.1-universal.jar             | None                                     |
   | LCHIJA | comforts               | 1.4.1.3                | comforts-1.12.2-1.4.1.3.jar                        | 2484ef4d131fdc0dca0647aa21b7b944ddb935a1 |
   | LCHIJA | communism              | 1.1                    | communism-1.1.2.jar                                | None                                     |
   | LCHIJA | containerfix           | 1.0                    | ContainerFix+MC1.12.2+v1.0.jar                     | None                                     |
   | LCHIJA | cookingforblockheads   | 6.4.71                 | CookingForBlockheads_1.12.2-6.4.71.jar             | None                                     |
   | LCHIJA | coralreef              | 2.0                    | CoralReef-2.5-1.12.2.jar                           | None                                     |
   | LCHIJA | customspawner          | 3.11.4                 | CustomMobSpawner-3.11.5.jar                        | None                                     |
   | LCHIJA | disenchanter           | 1.7                    | disenchanter[1.12]1.7.jar                          | None                                     |
   | LCHIJA | doggytalents           | 1.15.1.4               | DoggyTalents-1.12.2-1.15.1.4-universal.jar         | None                                     |
   | LCHIJA | orelib                 | 3.6.0.1                | OreLib-1.12.2-3.6.0.1.jar                          | 7a2128d395ad96ceb9d9030fbd41d035b435753a |
   | LCHIJA | dsurround              | 3.6.1.0                | DynamicSurroundings-1.12.2-3.6.1.0.jar             | 7a2128d395ad96ceb9d9030fbd41d035b435753a |
   | LCHIJA | endercore              | 1.12.2-0.5.76          | EnderCore-1.12.2-0.5.76.jar                        | None                                     |
   | LCHIJA | endreborn              | 0.3.4                  | EndReborn+III+[0.3.4].jar                          | None                                     |
   | LCHIJA | mantle                 | 1.12-1.3.3.55          | Mantle-1.12-1.3.3.55.jar                           | None                                     |
   | LCHIJA | tconstruct             | 1.12.2-2.13.0.183      | TConstruct-1.12.2-2.13.0.183.jar                   | None                                     |
   | LCHIJA | extrautils2            | 1.0                    | extrautils2-1.12-1.9.9.jar                         | None                                     |
   | LCHIJA | fasterladderclimbing   | 0.1-146                | FasterLadderClimbing-1.12-0.1-146.jar              | None                                     |
   | LCHIJA | fastleafdecay          | v14                    | FastLeafDecay-v14.jar                              | None                                     |
   | LCHIJA | fastbench              | 1.7.3                  | FastWorkbench-1.12.2-1.7.3.jar                     | None                                     |
   | LCHIJA | cfm                    | 6.3.1                  | furniture-6.3.1-1.12.2.jar                         | None                                     |
   | LCHIJA | waila                  | 1.8.26                 | Hwyla-1.8.26-B41_1.12.2.jar                        | None                                     |
   | LCHIJA | llibrary               | 1.7.20                 | llibrary-1.7.20-1.12.2.jar                         | b9f30a813bee3b9dd5652c460310cfcd54f6b7ec |
   | LCHIJA | iceandfire             | 1.9.1                  | iceandfire-1.9.1-1.12.2.jar                        | None                                     |
   | LCHIJA | ichunutil              | 7.2.2                  | iChunUtil-1.12.2-7.2.2.jar                         | 4db5c2bd1b556f252a5b8b54b256d381b2a0a6b8 |
   | LCHIJA | ido                    | 1.0.6                  | ido-1.12.2-1.1.0.jar                               | None                                     |
   | LCHIJA | infernalmobs           | 1.7.6                  | InfernalMobs-1.12.2.jar                            | None                                     |
   | LCHIJA | inventorypets          | 2.0.6                  | inventorypets-1.12-2.0.6.jar                       | None                                     |
   | LCHIJA | ironchest              | 1.12.2-7.0.67.844      | ironchest-1.12.2-7.0.72.847.jar                    | None                                     |
   | LCHIJA | jrftl                  | 1.1                    | JRFTL[1.12.2]-1.1.jar                              | None                                     |
   | LCHIJA | levelup2               | ${version}             | levelup2-1.5.8.jar                                 | None                                     |
   | LCHIJA | libraryex              | 1.2.1                  | LibraryEx-1.12.2-1.2.1.jar                         | None                                     |
   | LCHIJA | magma_monsters         | 0.3.0                  | MagmaMonsters-0.3.0.jar                            | None                                     |
   | LCHIJA | mclib                  | 2.1.2                  | mclib-2.1.2-1.12.2.jar                             | None                                     |
   | LCHIJA | metamorph              | 1.2.4                  | metamorph-1.2.4-1.12.2.jar                         | None                                     |
   | LCHIJA | mowziesmobs            | 1.5.8                  | mowziesmobs-1.5.8.jar                              | None                                     |
   | LCHIJA | netherex               | 2.2.3                  | NetherEx-1.12.2-2.2.3.jar                          | None                                     |
   | LCHIJA | netherportalfix        | 5.3.17                 | NetherPortalFix_1.12.1-5.3.17.jar                  | None                                     |
   | LCHIJA | openmods               | 0.12.2                 | OpenModsLib-1.12.2-0.12.2.jar                      | d2a9a8e8440196e26a268d1f3ddc01b2e9c572a5 |
   | LCHIJA | openblocks             | 1.8.1                  | OpenBlocks-1.12.2-1.8.1.jar                        | d2a9a8e8440196e26a268d1f3ddc01b2e9c572a5 |
   | LCHIJA | pitweaks               | 1.12-1.1.1             | PiTweaks-1.12-1.1.1.jar                            | None                                     |
   | LCHIJA | placebo                | 1.6.0                  | Placebo-1.12.2-1.6.0.jar                           | None                                     |
   | LCHIJA | potioncore             | 1.9_for_1.12.2         | PotionCore-1.9_for_1.12.2.jar                      | None                                     |
   | LCHIJA | potionfingers          | r1.0-8                 | PotionFingers-r1.0-8.jar                           | None                                     |
   | LCHIJA | qualitytools           | 1.0.7_for_1.12.2       | QualityTools-1.0.7_for_1.12.2.jar                  | None                                     |
   | LCHIJA | ruins                  | 17.2                   | Ruins-1.12.2.jar                                   | None                                     |
   | LCHIJA | silentlib              | 3.0.13                 | SilentLib-1.12.2-3.0.13+167.jar                    | None                                     |
   | LCHIJA | scalinghealth          | 1.3.37                 | ScalingHealth-1.12.2-1.3.42+147.jar                | None                                     |
   | LCHIJA | spartanweaponry        | beta 1.3.8             | SpartanWeaponry-1.12.2-beta-1.3.8.jar              | None                                     |
   | LCHIJA | spartanfire            | 0.08                   | spartanfire-0.08.jar                               | None                                     |
   | LCHIJA | spartanshields         | 1.5.4                  | SpartanShields-1.12.2-1.5.4.jar                    | None                                     |
   | LCHIJA | specialmobs            | 1.0.2_for_mc1.12.2     | specialmobs-1.0.2_for_mc1.12.2.jar                 | None                                     |
   | LCHIJA | stg                    | 1.12.2-1.2.3           | stg-1.12.2-1.2.3.jar                               | None                                     |
   | LCHIJA | theaurorian            | 1.12.2-Release         | theaurorian-1.12.2-release-jan1121.jar             | None                                     |
   | LCHIJA | thermalfoundation      | 2.6.7                  | ThermalFoundation-1.12.2-2.6.7.1-universal.jar     | None                                     |
   | LCHIJA | thermalexpansion       | 5.5.7                  | ThermalExpansion-1.12.2-5.5.7.1-universal.jar      | None                                     |
   | LCHIJA | thermaldynamics        | 2.5.6                  | ThermalDynamics-1.12.2-2.5.6.1-universal.jar       | None                                     |
   | LCHIJA | thermalinnovation      | 0.3.6                  | ThermalInnovation-1.12.2-0.3.6.1-universal.jar     | None                                     |
   | LCHIJA | travelersbackpack      | 1.0.34                 | TravelersBackpack-1.12.2-1.0.34.jar                | None                                     |
   | LCHIJA | xat                    | 0.30                   | Trinkets+and+Baubles-0.30.1.jar                    | None                                     |
   | LCHIJA | uniquecrops            | 0.2.2                  | uniquecrops-1.12.2-0.2.2.jar                       | None                                     |
   | LCHIJA | vampiresneedumbrellas  | 1.4                    | VampiresNeedUmbrellas-1.12.2-1.5.jar               | None                                     |
   | LCHIJA | vampirism              | 1.6.2                  | Vampirism-1.12.2-1.6.2.jar                         | None                                     |
   | LCHIJA | teamlapen-lib          | 1.6.2                  | Vampirism-1.12.2-1.6.2.jar                         | None                                     |
   | LCHIJA | vampirism_integrations | vampirism_integrations | VampirismIntegrations-1.12.2-1.3.0.jar             | None                                     |
   | LCHIJA | vanillafix             | 1.0.10-150             | VanillaFix-1.0.10-150.jar                          | None                                     |
   | LCHIJA | waystones              | 4.1.0                  | Waystones_1.12.2-4.1.0.jar                         | None                                     |
   | LCHIJA | witherskelefix         | 2.6.3                  | WitherSkeletonTweaks-1.12.2-2.6.3.jar              | None                                     |
   | LCHIJA | xpfromharvest          | 1.1.0                  | xpfromharvest-1.12.2-1.1.0.jar                     | None                                     |
   | LCHIJA | xpbook                 | v1.1.4                 | xptome-1.12.2-v1.1.4.jar                           | None                                     |
   | LCHIJA | betteranimalsplus      | 9.0.1                  | betteranimalsplus-1.12.2-9.0.1.jar                 | None                                     |
   | LCHIJA | solcarrot              | 1.8.4                  | solcarrot-1.12.2-1.8.4.jar                         | None                                     |
   | LCHIJA | midnight               | 0.3.5                  | themidnight-0.3.5.jar                              | None                                     |
   | UD     | mclib_core             | 2.1.2                  | minecraft.jar                                      | None                                     |

Loaded coremods (and transformers): llibrary (llibrary-core-1.0.11-1.12.2.jar) net.ilexiconn.llibrary.server.core.plugin.LLibraryTransformer net.ilexiconn.llibrary.server.core.patcher.LLibraryRuntimePatcher TransformLoader (DynamicSurroundings-1.12.2-3.6.1.0.jar)

                                  EnderCorePlugin (EnderCore-1.12.2-0.5.76-core.jar)
                                    com.enderio.core.common.transform.EnderCoreTransformer
                                    com.enderio.core.common.transform.SimpleMixinPatcher
                                  VanillaFixLoadingPlugin (VanillaFix-1.0.10-150.jar)

                                  midnight (themidnight-0.3.5.jar)
                                    com.mushroom.midnight.core.transformer.MidnightClassTransformer
                                  LevelUpCore (levelup2-1.5.8.jar)

                                  OpenModsCorePlugin (OpenModsLib-1.12.2-0.12.2.jar)
                                    openmods.core.OpenModsClassTransformer
                                  RandomPatches (randompatches-1.12.2-1.22.1.7.jar)
                                    com.therandomlabs.randompatches.core.RPTransformer
                                  AppleCore (AppleCore-mc1.12.2-3.4.0.jar)
                                    squeek.applecore.asm.TransformerModuleHandler
                                  IvToolkit (IvToolkit-1.3.3-1.12.jar)

                                  iceandfire (iceandfire-1.9.1-1.12.2.jar)
                                    com.github.alexthe666.iceandfire.patcher.IceAndFireRuntimePatcher
                                  McLib core mod (mclib-2.1.2-1.12.2.jar)
                                    mchorse.mclib.core.McLibCMClassTransformer

OpenModsLib class transformers: [llama_null_fix:FINISHED],[horse_base_null_fix:FINISHED],[pre_world_render_hook:ENABLED],[player_render_hook:ENABLED],[horse_null_fix:FINISHED] AE2 Version: stable rv6-stable-7 for Forge 14.23.5.2768 Pulsar/tconstruct loaded Pulses: - TinkerCommons (Enabled/Forced)

TinkerWorld (Enabled/Not Forced)
TinkerTools (Enabled/Not Forced)
TinkerHarvestTools (Enabled/Forced)
TinkerMeleeWeapons (Enabled/Forced)
TinkerRangedWeapons (Enabled/Forced)
TinkerModifiers (Enabled/Forced)
TinkerSmeltery (Enabled/Not Forced)
TinkerGadgets (Enabled/Not Forced)
TinkerOredict (Enabled/Forced)
TinkerIntegration (Enabled/Forced)
TinkerFluids (Enabled/Forced)
TinkerMaterials (Enabled/Forced)
TinkerModelRegister (Enabled/Forced)
wailaIntegration (Enabled/Not Forced) AE2 Integration: IC2:OFF, RC:OFF, MFR:OFF, Waila:ON, Mekanism:OFF, OpenComputers:OFF, THE_ONE_PROBE:OFF, TESLA:OFF, CRAFTTWEAKER:OFF Suspected Mods: Unique Crops (uniquecrops) Profiler Position: N/A (disabled) Player Count: 2 / 20; [EntityPlayerMP['Semyi'/11499, l='world', x=162.59, y=66.26, z=11.36], EntityPlayerMP['xDoom'/11496, l='world', x=46.22, y=73.07, z=-130.07]] Is Modded: Definitely; Server brand changed to 'fml,forge' Type: Dedicated Server (map_server.txt)

mchorse / metamorph

Server crashes when an a morph entity is blown up. #260

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