I am also having the same issue. I have 3 worlds at 92mb, 38.7mb and 11.7mb and all three crash once opened. I have plenty of memory, chunks and video settings have been reduced and still crashing. Two year project with more I wanted to do all stopped. And passion for the game has been lost. Please help restore.
Also have Android platform with world that is lost after phone factory reset. Reloaded game and cannot get worlds to reload.
Console logged the error:
[00:30:47] [Server thread/FATAL]: Error executing task
java.util.concurrent.ExecutionException: e: Ticking player
at java.util.concurrent.FutureTask.report(Unknown Source) ~[?:1.7.0_51]
at java.util.concurrent.FutureTask.get(Unknown Source) ~[?:1.7.0_51]
at g.a(SourceFile:46) [minecraft_server.jar:?]
at net.minecraft.server.MinecraftServer.D(SourceFile:597) [minecraft_server.jar:?]
at ku.D(SourceFile:299) [minecraft_server.jar:?]
at net.minecraft.server.MinecraftServer.C(SourceFile:553) [minecraft_server.jar:?]
at net.minecraft.server.MinecraftServer.run(SourceFile:457) [minecraft_server.jar:?]
at java.lang.Thread.run(Unknown Source) [?:1.7.0_51]
Caused by: e: Ticking player
at lm.h_(SourceFile:325) ~[minecraft_server.jar:?]
at lt.a(SourceFile:285) ~[minecraft_server.jar:?]
at iq.a(SourceFile:126) ~[minecraft_server.jar:?]
at iq.a(SourceFile:8) ~[minecraft_server.jar:?]
at fh$1.run(SourceFile:13) ~[minecraft_server.jar:?]
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) ~[?:1.7.0_51]
at java.util.concurrent.FutureTask.run(Unknown Source) ~[?:1.7.0_51]
at g.a(SourceFile:45) ~[minecraft_server.jar:?]
... 5 more
Caused by: java.lang.OutOfMemoryError: Java heap space
at io.netty.buffer.UnpooledHeapByteBuf.<init>(UnpooledHeapByteBuf.java:45) ~[minecraft_server.jar:?]
at io.netty.buffer.UnpooledByteBufAllocator.newHeapBuffer(UnpooledByteBufAllocator.java:43) ~[minecraft_server.jar:?]
at io.netty.buffer.AbstractByteBufAllocator.heapBuffer(AbstractByteBufAllocator.java:136) ~[minecraft_server.jar:?]
at io.netty.buffer.Unpooled.buffer(Unpooled.java:137) ~[minecraft_server.jar:?]
at gq.a(SourceFile:46) ~[minecraft_server.jar:?]
at gp.<init>(SourceFile:29) ~[minecraft_server.jar:?]
at li$a.b(SourceFile:64) ~[minecraft_server.jar:?]
at li.c(SourceFile:351) ~[minecraft_server.jar:?]
at me.a(SourceFile:231) ~[minecraft_server.jar:?]
at me.a(SourceFile:472) ~[minecraft_server.jar:?]
at lm.a(SourceFile:471) ~[minecraft_server.jar:?]
at qx.M(SourceFile:340) ~[minecraft_server.jar:?]
at rg.M(SourceFile:186) ~[minecraft_server.jar:?]
at qx.r_(SourceFile:303) ~[minecraft_server.jar:?]
at rg.r_(SourceFile:1390) ~[minecraft_server.jar:?]
at yu.r_(SourceFile:236) ~[minecraft_server.jar:?]
at lm.h_(SourceFile:260) ~[minecraft_server.jar:?]
at lt.a(SourceFile:285) ~[minecraft_server.jar:?]
at iq.a(SourceFile:126) ~[minecraft_server.jar:?]
at iq.a(SourceFile:8) ~[minecraft_server.jar:?]
at fh$1.run(SourceFile:13) ~[minecraft_server.jar:?]
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) ~[?:1.7.0_51]
at java.util.concurrent.FutureTask.run(Unknown Source) ~[?:1.7.0_51]
at g.a(SourceFile:45) ~[minecraft_server.jar:?]
... 5 more
[00:30:47] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 3006ms behind, skipping 60 tick(s)
Having same issue with 2 different worlds on my Ipad Pro. Seed 1474137368 will crash entire ga e as soon as I hit play. Seed -334399639, world will start to open for about 3 seconds and then entire game will crash. Does not happen if I start a new world. Which i have done and have been playing for months.
Please help!