01:45:18 ERROR]: Encountered an unexpected exception
net.minecraft.ReportedException: Exception ticking world
        at net.minecraft.server.MinecraftServer.m_5703_(MinecraftServer.java:1170) ~[server-1.20.1-20230612.114412-srg.jar%23783!/:?]
        at net.minecraft.server.dedicated.DedicatedServer.m_5703_(DedicatedServer.java:360) ~[server-1.20.1-20230612.114412-srg.jar%23783!/:?]
        at net.minecraft.server.MinecraftServer.m_5705_(MinecraftServer.java:1071) ~[server-1.20.1-20230612.114412-srg.jar%23783!/:?]
        at net.minecraft.server.MinecraftServer.m_130011_(MinecraftServer.java:910) ~[server-1.20.1-20230612.114412-srg.jar%23783!/:?]
        at net.minecraft.server.MinecraftServer.m_206580_(MinecraftServer.java:286) ~[server-1.20.1-20230612.114412-srg.jar%23783!/:?]
        at java.lang.Thread.run(Thread.java:1583) [?:?]
Caused by: java.util.ConcurrentModificationException
        at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:1095) ~[?:?]
        at java.util.ArrayList$Itr.next(ArrayList.java:1049) ~[?:?]
        at org.violetmoon.zeta.piston.ZetaPistonStructureResolver.m_60422_(ZetaPistonStructureResolver.java:118) ~[Zeta-1.0-28.jar%23781!/:1.0-28]
        at net.minecraft.world.level.block.piston.PistonBaseBlock.m_60167_(PistonBaseBlock.java:118) ~[server-1.20.1-20230612.114412-srg.jar%23783!/:?]
        at net.minecraft.world.level.block.piston.PistonBaseBlock.m_6861_(PistonBaseBlock.java:96) ~[server-1.20.1-20230612.114412-srg.jar%23783!/:?]
        at net.minecraft.world.level.block.state.BlockBehaviour$BlockStateBase.m_60690_(BlockBehaviour.java:725) ~[server-1.20.1-20230612.114412-srg.jar%23783!/:?]
        at net.minecraft.world.level.redstone.CollectingNeighborUpdater$MultiNeighborUpdate.m_213563_(CollectingNeighborUpdater.java:116) ~[server-1.20.1-20230612.114412-srg.jar%23783!/:?]
        at net.minecraft.world.level.redstone.CollectingNeighborUpdater.m_230645_(CollectingNeighborUpdater.java:75) ~[server-1.20.1-20230612.114412-srg.jar%23783!/:?]
        at net.minecraft.world.level.redstone.CollectingNeighborUpdater.m_230660_(CollectingNeighborUpdater.java:59) ~[server-1.20.1-20230612.114412-srg.jar%23783!/:?]
        at net.minecraft.world.level.redstone.CollectingNeighborUpdater.m_214152_(CollectingNeighborUpdater.java:41) ~[server-1.20.1-20230612.114412-srg.jar%23783!/:?]
        at net.minecraft.server.level.ServerLevel.m_46672_(ServerLevel.java:1224) ~[server-1.20.1-20230612.114412-srg.jar%23783!/:?]
        at net.minecraft.server.level.ServerLevel.m_6289_(ServerLevel.java:1630) ~[server-1.20.1-20230612.114412-srg.jar%23783!/:?]
        at net.minecraft.world.level.Level.markAndNotifyBlock(Level.java:392) ~[server-1.20.1-20230612.114412-srg.jar%23783!/:?]
        at net.minecraft.world.level.Level.m_6933_(Level.java:368) ~[server-1.20.1-20230612.114412-srg.jar%23783!/:?]
        at net.minecraft.world.level.Level.m_7731_(Level.java:297) ~[server-1.20.1-20230612.114412-srg.jar%23783!/:?]
        at net.minecraft.world.level.block.RedstoneTorchBlock.m_213897_(RedstoneTorchBlock.java:101) ~[server-1.20.1-20230612.114412-srg.jar%23783!/:?]
        at net.minecraft.world.level.block.state.BlockBehaviour$BlockStateBase.m_222963_(BlockBehaviour.java:759) ~[server-1.20.1-20230612.114412-srg.jar%23783!/:?]
        at net.minecraft.server.level.ServerLevel.m_184112_(ServerLevel.java:839) ~[server-1.20.1-20230612.114412-srg.jar%23783!/:?]
        at net.minecraft.world.ticks.LevelTicks.m_193272_(LevelTicks.java:215) ~[server-1.20.1-20230612.114412-srg.jar%23783!/:?]
        at net.minecraft.world.ticks.LevelTicks.m_193225_(LevelTicks.java:98) ~[server-1.20.1-20230612.114412-srg.jar%23783!/:?]
        at net.minecraft.server.level.ServerLevel.m_8793_(ServerLevel.java:435) ~[server-1.20.1-20230612.114412-srg.jar%23783!/:?]
        at net.minecraft.server.MinecraftServer.m_5703_(MinecraftServer.java:1166) ~[server-1.20.1-20230612.114412-srg.jar%23783!/:?]
        ... 5 more
[01:45:18 FATAL]: Preparing crash report with UUID aeea8d50-0f15-40b6-b2b1-5acddba410d6
[01:45:18 ERROR]: This crash report has been saved to: /home/container/./crash-reports/crash-2025-03-29_01.45.18-server.txt