I was making an afk fish farm on my server and then i placed in the water and crashed

The Crash Report:The Crash Report:---- Minecraft Crash Report ----// You're mean.
Time: 30/08/18 19:07Description: Tesselating liquid in world
java.lang.IllegalArgumentException: Cannot get property bly{name=type, clazz=class bmg, values=[top, bottom, double]} as it does not exist in Block{minecraft:water} at bkr.c(SourceFile:95) at bhc.r(SourceFile:70) at cuk.a(BlockFluidRenderer.java:309) at cuj.a(SourceFile:78) at cwj.b(RenderChunk.java:309) at cwf.a(SourceFile:100) at cwf.run(SourceFile:43) at java.lang.Thread.run(Thread.java:745)

A detailed walkthrough of the error, its code path and all known details is as follows:---------------------------------------------------------------------------------------
– Head --Thread: Client threadStacktrace: at bkr.c(SourceFile:95) at bhc.r(SourceFile:70) at cuk.a(BlockFluidRenderer.java:309)
– Block being tesselated --Details: Block location: World: (-1136,68,4537), Chunk: (at 0,4,9 in -71,283; contains blocks -1136,0,4528 to -1121,255,4543), Region: (-3,8; contains chunks -96,256 to -65,287, blocks -1536,0,4096 to -1025,255,4607)Stacktrace: at cuj.a(SourceFile:78)
– Affected level --Details: Level name: MpServer All players: 1 total; [csy['MatttyPlayz'/296, l='MpServer', x=-1137.37, y=67.50, z=4536.95]] Chunk stats: MultiplayerChunkCache: 441, 441 Level seed: 0 Level generator: ID 00 - default, ver 1. Features enabled: false Level generator options: {} Level spawn location: World: (-256,69,-96), Chunk: (at 0,4,0 in -16,-6; contains blocks -256,0,-96 to -241,255,-81), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1) Level time: 126541 game time, 185161 day time Level dimension: 0 Level storage version: 0x00000 - Unknown? Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false) Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false Forced entities: 3 total; [csy['MatttyPlayz'/296, l='MpServer', x=-1137.37, y=67.50, z=4536.95], aph['Minecart with Chest'/341, l='MpServer', x=-1174.50, y=33.06, z=4577.50], anj['Skeleton'/435, l='MpServer', x=-1145.50, y=63.00, z=4560.50]] Retry entities: 0 total; [] Server brand: vanilla Server type: Non-integrated multiplayer serverStacktrace: at cqv.a(WorldClient.java:589) at cfi.b(SourceFile:1811) at cwf.run(SourceFile:49) at java.lang.Thread.run(Thread.java:745)
Extra Information Thing:The game crashed whilst tesselating liquid in worldError: java.lang.IllegalArgumentException: Cannot get property bly{name=type, clazz=class bmg, values=[top, bottom, double]} as it does not exist in Block{minecraft:water}