Mariculture-Deluxe-1.7.10-1.2.4.2a
forge-1.7.10-10.13.4.1614-1.7.10-universal

Items found so far:
maritech.tile.TileSluiceAdvanced is missing a mapping!
mariculture.factory.tile.TileGeyser is missing a mapping!
maritech.tile.TileGenerator is missing a mapping!

A Crash log:
---- Minecraft Crash Report ----
// I blame Dinnerbone.

Time: 5/5/16 1:56 PM
Description: Exception ticking world

java.lang.RuntimeException: class maritech.tile.TileSluiceAdvanced is missing a mapping! This is a bug!
at net.minecraft.tileentity.TileEntity.func_145841_b(TileEntity.java:80)
at mariculture.core.tile.base.TileTank.func_145841_b(TileTank.java:80)
at maritech.tile.TileSluice.func_145841_b(TileSluice.java:259)
at maritech.tile.TileSluice.func_145844_m(TileSluice.java:241)
at net.minecraft.server.management.PlayerManager$PlayerInstance.func_151252_a(PlayerManager.java:591)
at net.minecraft.server.management.PlayerManager$PlayerInstance.func_73254_a(PlayerManager.java:533)
at net.minecraft.server.management.PlayerManager.func_72693_b(PlayerManager.java:67)
at net.minecraft.world.WorldServer.func_72835_b(WorldServer.java:185)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:625)
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:334)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:396)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)

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

-- Head --
Stacktrace:
at net.minecraft.tileentity.TileEntity.func_145841_b(TileEntity.java:80)
at mariculture.core.tile.base.TileTank.func_145841_b(TileTank.java:80)
at maritech.tile.TileSluice.func_145841_b(TileSluice.java:259)
at maritech.tile.TileSluice.func_145844_m(TileSluice.java:241)
at net.minecraft.server.management.PlayerManager$PlayerInstance.func_151252_a(PlayerManager.java:591)
at net.minecraft.server.management.PlayerManager$PlayerInstance.func_73254_a(PlayerManager.java:533)
at net.minecraft.server.management.PlayerManager.func_72693_b(PlayerManager.java:67)
at net.minecraft.world.WorldServer.func_72835_b(WorldServer.java:185)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:625)

-- Affected level --
Details:
Level name: minecraftia
All players: 3 total; [EntityPlayerMP['jackjerk'/7518, l='minecraftia', x=38.69, y=81.19, z=-7.99], EntityPlayerMP['DeathPanda85'/14210, l='minecraftia', x=72.70, y=50.00, z=25.99], EntityPlayerMP['MrBloodworth'/35489, l='minecraftia', x=38.98, y=76.00, z=-8.86]]
Chunk stats: ServerChunkCache: 571 Drop: 0
Level seed: -9047416481056320938
Level generator: ID 04 - RTG, ver 0. Features enabled: true
Level generator options:
Level spawn location: World: (54,64,2), Chunk: (at 6,4,2 in 3,0; contains blocks 48,0,0 to 63,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 53487 game time, 107109 day time
Level dimension: 0
Level storage version: 0x04ABD - Anvil
Level weather: Rain time: 30317 (now: false), thunder time: 30218 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:334)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:396)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Windows 10 (x86) version 10.0
Java Version: 1.8.0_91, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 80627104 bytes (76 MB) / 259522560 bytes (247 MB) up to 259522560 bytes (247 MB)
JVM Flags: 0 total;
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 9, tallocated: 61
FML: MCP v9.05 FML v7.10.99.99 Minecraft Forge 10.13.4.1614 54 mods loaded, 53 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCHIJAAAA mcp{9.05} Minecraft Coder Pack
UCHIJAAAA FML{7.10.99.99} Forge Mod Loader
UCHIJAAAA Forge{10.13.4.1614} Minecraft Forge
UCHIJAAAA appliedenergistics2-core{rv2-stable-10} AppliedEnergistics2 Core
UCHIJAAAA CodeChickenCore{1.0.7.47} CodeChicken Core
UCHIJAAAA MCVanillaTweaks{1.0} Mariculture - Vanilla Tweaks
UCHIJAAAA MobiusCore{1.2.5} MobiusCore
UCHIJAAAA NotEnoughItems{1.0.5.120} Not Enough Items
UCHIJAAAA ThE-core{1.0.0.1} Thaumic Energistics Core
UCHIJAAAA OpenModsCore{0.9.1} OpenModsCore
UCHIJAAAA FastCraft{1.23} FastCraft
UCHIJAAAA battlegear2{1.7.10} Mine & Blade Battlegear 2 - Bullseye
UCHIJAAAA zeldaswordskills{1.7.10-2.4} Zelda Sword Skills
UCHIJAAAA AnimationAPI{1.2.4} AnimationAPI
UCHIJAAAA appliedenergistics2{rv2-stable-10} Applied Energistics 2
UCHIJAAAA aquaticabyss{1.1.1} Aquatic Abyss
UCHIJAAAA Baubles{1.0.1.10} Baubles
UCHIJAAAA Thaumcraft{4.2.3.5} Thaumcraft
UCHIJAAAA betterstorage{0.13.1.127} BetterStorage
UCHIJAAAA BiblioCraft{1.11.4} BiblioCraft
UCHIJAAAA BiomeTweaker{2.0.182} BiomeTweaker
UCHIJAAAA BiomesOPlenty{2.1.0} Biomes O' Plenty
UCHIJAAAA AWWayofTime{v1.3.3} Blood Magic: Alchemical Wizardry
UCHIJAAAA chocolateQuest{1.0} Chocolate Quest
UCHIJAAAA dungeonpack{1.7.10-1.0} Dungeon Pack
UCHIJAAAA eplus{3.0.2-d} Enchanting Plus
UCHIJAAAA Enchiridion{1.3} [Enchiridion](Enchiridion 2-1.7.10-2.0.2a.jar)
UCHIJAAAA Enchiridion2{2.0.2a} [Enchiridion 2](Enchiridion 2-1.7.10-2.0.2a.jar)
UCHIJAAAA EnderStorage{1.4.7.38} EnderStorage
UCHIJAAAA enhancedportals{3.0.12} EnhancedPortals
UCHIJAAAA ExtraUtilities{1.2.12} Extra Utilities
UCHIJAAAA Railcraft{9.10.0.0} Railcraft
UCHIJAAAA ImmersiveEngineering{0.7.6} Immersive Engineering
UCHIJAAAA llibrary{0.3.3} LLibrary
UCHIJAAAA Mariculture{1.7.10-1.2.4.2a} Mariculture
UCHIJAAAA MariTech{1.0} Marine Technlogy
UCHIJAAAA MineTweaker3{3.0.10} MineTweaker 3
UCHIJAAAA modtweaker2{0.9.5} Mod Tweaker 2
UCHIJAAAA mowziesmobs{1.2.5-undefined} [Mowzie's Mobs](Mowzie's Mobs-1.2.7.jar)
UCHIJAAAA MutantCreatures{1.4.9} Mutant Creatures
UCHIJAAAA neiintegration{1.1.2} NEI Integration
UCHIJAAAA OpenMods{0.9.1} OpenMods
UCHIJAAAA OpenBlocks{1.5.1} OpenBlocks
UCHIJAAAA MapWriter{2.1.2} MapWriter
UCHIJAAAA Opis{1.2.5} Opis
UCHIJAAAA RadixCore{2.1.1} RadixCore
UCHIJAAAA RTG{0.7.0} Realistic Terrain Generation
UCHIJAAAA Waila{1.5.10} Waila
UCHIJAAAA thaumicenergistics{1.0.0.5-RV2} Thaumic Energistics
UCHIJAAAA TravellersGear{1.16.6} Traveller's Gear
UCHIJAAAA vending{1.2.3} vending
UCHIJAAAA wawla{1.3.3} What Are We Looking At
UCHIJAAAA witchery{0.24.1} Witchery
UD BiomeTweakerCore{2.0.182} BiomeTweaker Core
OpenModsLib class transformers: [stencil_patches:ENABLED],[movement_callback:ENABLED],[map_gen_fix:FINISHED],[gl_capabilities_hook:ENABLED],[player_render_hook:ENABLED]
Class transformer null safety: all safe
AE2 Version: stable rv2-stable-10 for Forge 10.13.2.1291
AE2 Integration: IC2:OFF, RotaryCraft:OFF, RC:ON, BC:OFF, RF:ON, RFItem:ON, MFR:OFF, DSU:ON, FZ:OFF, FMP:OFF, RB:OFF, CLApi:OFF, Waila:ON, Mekanism:OFF, ImmibisMicroblocks:OFF, BetterStorage:ON
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Player Count: 3 / 20; [EntityPlayerMP['jackjerk'/7518, l='minecraftia', x=38.69, y=81.19, z=-7.99], EntityPlayerMP['DeathPanda85'/14210, l='minecraftia', x=72.70, y=50.00, z=25.99], EntityPlayerMP['MrBloodworth'/35489, l='minecraftia', x=38.98, y=76.00, z=-8.86]]
Is Modded: Definitely; Server brand changed to 'fml,forge'
Type: Dedicated Server (map_server.txt)