---- Minecraft Crash Report ----
// I let you down. Sorry.
Time: 16.01.22 9:15
Description: Tesselating liquid in world
java.lang.NullPointerException: Tesselating liquid in world
at net.minecraft.client.renderer.FluidBlockRenderer.func_228796_a_(FluidBlockRenderer.java:409) ~[?:?] {re: classloading, xf: OptiFine: default}
at com.infinityraider.infinitylib.render.fluid.InfFluidRenderer.func_228796_a_(InfFluidRenderer.java:40) ~[?:2.0.7] {re: classloading, pl: runtimedistcleaner: A}
at net.minecraft.client.renderer.BlockRendererDispatcher.func_228794_a_(BlockRendererDispatcher.java:98) ~[?:?] {re: classloading, pl: accesstransformer. Xf: OptiFine: default}
at codechicken.lib.render.block.CCBlockRendererDispatcher.func_228794_a_(CCBlockRendererDispatcher.java:100) ~[?:1.16.5-4.0.5.438] {re: classloading}
at net.minecraft.client.renderer.chunk.ChunkRenderDispatcher$ChunkRender$RebuildTask.func_228940_a_(ChunkRenderDispatcher.java:858) ~[?:?] {re: classloading, xf: OptiFine: default}
at net.minecraft.client.renderer.chunk.ChunkRenderDispatcher$ChunkRender$RebuildTask.func_225618_a_(ChunkRenderDispatcher.java:734) ~[?:?] {re: classloading, xf: OptiFine: default}
at net.minecraft.client.renderer.chunk.ChunkRenderDispatcher.lambda$runTask$1(ChunkRenderDispatcher.java:191) ~[?:?] {re: classloading, xf: OptiFine: default}
at net.minecraft.client.renderer.chunk.ChunkRenderDispatcher$$Lambda$15217/1656895358.apply(Unknown Source) ~[?:?] {}
at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:?] {}
at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:?] {}
at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474) ~[?:?] {}
at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1624) ~[?:?] {}
at java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1610) ~[?:?] {}
at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:?] {}
at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:?] {}
at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:?] {re: computing_frames}
at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:?] {}
Без оптифайна пробуй. Возможно у тебя ещё InfinityLib стоит.