Context
Made a contraption with some copycats on it, and my server crashed after some minutes. Now, whenever i try to join the server, it instantly crash with this error (caused by copycat_stacked_half_layer).
Is there any way to fix it or do i have to wait for an update?
Crash Report
[27juin2026 09:18:46.184] [Server thread/ERROR] [net.minecraft.server.MinecraftServer/]: Encountered an unexpected exception net.minecraft.ReportedException: Exception ticking world at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1041) ~[server-1.21.1-20240808.144430-srg.jar%23376!/:?] at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:317) ~[server-1.21.1-20240808.144430-srg.jar%23376!/:?] at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:917) ~[server-1.21.1-20240808.144430-srg.jar%23376!/:?] at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:707) ~[server-1.21.1-20240808.144430-srg.jar%23376!/:?] at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:267) ~[server-1.21.1-20240808.144430-srg.jar%23376!/:?] at java.base/java.lang.Thread.run(Thread.java:1583) [?:?] Caused by: java.lang.IllegalArgumentException: Cannot get property DirectionProperty{name=facing, clazz=class net.minecraft.core.Direction, values=[north, east, south, west, up, down]} as it does not exist in Block{copycats:copycat_stacked_half_layer} at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.block.state.StateHolder.getValue(StateHolder.java:97) ~[server-1.21.1-20240808.144430-srg.jar%23376!/:?] at TRANSFORMER/copycats@3.0.4+mc.1.21.1-neoforge/com.copycatsplus.copycats.content.copycat.stacked_half_layer.CopycatStackedHalfLayerBlock.sable$getNormal(CopycatStackedHalfLayerBlock.java:519) ~[copycats-3.0.4+mc.1.21.1-neoforge.jar%23420!/:?] at TRANSFORMER/sable@2.0.3/dev.ryanhcode.sable.sublevel.plot.ServerLevelPlot.onBlockChange(ServerLevelPlot.java:669) ~[sable-neoforge-1.21.1-2.0.3.jar%23578!/:2.0.3] at TRANSFORMER/sable@2.0.3/dev.ryanhcode.sable.sublevel.plot.ServerLevelPlot.load(ServerLevelPlot.java:615) ~[sable-neoforge-1.21.1-2.0.3.jar%23578!/:2.0.3] at TRANSFORMER/sable@2.0.3/dev.ryanhcode.sable.sublevel.storage.serialization.SubLevelSerializer.fullyLoad(SubLevelSerializer.java:164) ~[sable-neoforge-1.21.1-2.0.3.jar%23578!/:2.0.3] at TRANSFORMER/sable@2.0.3/dev.ryanhcode.sable.sublevel.storage.holding.SubLevelHoldingChunkMap.loadHoldingSubLevel(SubLevelHoldingChunkMap.java:555) ~[sable-neoforge-1.21.1-2.0.3.jar%23578!/:2.0.3] at TRANSFORMER/sable@2.0.3/dev.ryanhcode.sable.sublevel.storage.holding.SubLevelHoldingChunkMap.processChanges(SubLevelHoldingChunkMap.java:549) ~[sable-neoforge-1.21.1-2.0.3.jar%23578!/:2.0.3] at TRANSFORMER/sable@2.0.3/dev.ryanhcode.sable.api.sublevel.ServerSubLevelContainer.tick(ServerSubLevelContainer.java:91) ~[sable-neoforge-1.21.1-2.0.3.jar%23578!/:2.0.3] at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.level.ServerLevel.handler$djd000$sable$tickPlotContainer(ServerLevel.java:17523) ~[server-1.21.1-20240808.144430-srg.jar%23376!/:?] at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.level.ServerLevel.tick(ServerLevel.java) ~[server-1.21.1-20240808.144430-srg.jar%23376!/:?] at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1037) ~[server-1.21.1-20240808.144430-srg.jar%23376!/:?] ... 5 more
Context
Made a contraption with some copycats on it, and my server crashed after some minutes. Now, whenever i try to join the server, it instantly crash with this error (caused by copycat_stacked_half_layer).
Is there any way to fix it or do i have to wait for an update?
Crash Report
[27juin2026 09:18:46.184] [Server thread/ERROR] [net.minecraft.server.MinecraftServer/]: Encountered an unexpected exception net.minecraft.ReportedException: Exception ticking world at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1041) ~[server-1.21.1-20240808.144430-srg.jar%23376!/:?] at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:317) ~[server-1.21.1-20240808.144430-srg.jar%23376!/:?] at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:917) ~[server-1.21.1-20240808.144430-srg.jar%23376!/:?] at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:707) ~[server-1.21.1-20240808.144430-srg.jar%23376!/:?] at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:267) ~[server-1.21.1-20240808.144430-srg.jar%23376!/:?] at java.base/java.lang.Thread.run(Thread.java:1583) [?:?] Caused by: java.lang.IllegalArgumentException: Cannot get property DirectionProperty{name=facing, clazz=class net.minecraft.core.Direction, values=[north, east, south, west, up, down]} as it does not exist in Block{copycats:copycat_stacked_half_layer} at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.block.state.StateHolder.getValue(StateHolder.java:97) ~[server-1.21.1-20240808.144430-srg.jar%23376!/:?] at TRANSFORMER/copycats@3.0.4+mc.1.21.1-neoforge/com.copycatsplus.copycats.content.copycat.stacked_half_layer.CopycatStackedHalfLayerBlock.sable$getNormal(CopycatStackedHalfLayerBlock.java:519) ~[copycats-3.0.4+mc.1.21.1-neoforge.jar%23420!/:?] at TRANSFORMER/sable@2.0.3/dev.ryanhcode.sable.sublevel.plot.ServerLevelPlot.onBlockChange(ServerLevelPlot.java:669) ~[sable-neoforge-1.21.1-2.0.3.jar%23578!/:2.0.3] at TRANSFORMER/sable@2.0.3/dev.ryanhcode.sable.sublevel.plot.ServerLevelPlot.load(ServerLevelPlot.java:615) ~[sable-neoforge-1.21.1-2.0.3.jar%23578!/:2.0.3] at TRANSFORMER/sable@2.0.3/dev.ryanhcode.sable.sublevel.storage.serialization.SubLevelSerializer.fullyLoad(SubLevelSerializer.java:164) ~[sable-neoforge-1.21.1-2.0.3.jar%23578!/:2.0.3] at TRANSFORMER/sable@2.0.3/dev.ryanhcode.sable.sublevel.storage.holding.SubLevelHoldingChunkMap.loadHoldingSubLevel(SubLevelHoldingChunkMap.java:555) ~[sable-neoforge-1.21.1-2.0.3.jar%23578!/:2.0.3] at TRANSFORMER/sable@2.0.3/dev.ryanhcode.sable.sublevel.storage.holding.SubLevelHoldingChunkMap.processChanges(SubLevelHoldingChunkMap.java:549) ~[sable-neoforge-1.21.1-2.0.3.jar%23578!/:2.0.3] at TRANSFORMER/sable@2.0.3/dev.ryanhcode.sable.api.sublevel.ServerSubLevelContainer.tick(ServerSubLevelContainer.java:91) ~[sable-neoforge-1.21.1-2.0.3.jar%23578!/:2.0.3] at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.level.ServerLevel.handler$djd000$sable$tickPlotContainer(ServerLevel.java:17523) ~[server-1.21.1-20240808.144430-srg.jar%23376!/:?] at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.level.ServerLevel.tick(ServerLevel.java) ~[server-1.21.1-20240808.144430-srg.jar%23376!/:?] at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1037) ~[server-1.21.1-20240808.144430-srg.jar%23376!/:?] ... 5 more