[13May2026 14:16:12.449] [Server thread/ERROR] [net.minecraft.server.MinecraftServer/]: Encountered an unexpected exception
net.minecraft.ReportedException: Ticking block entity
at TRANSFORMER/minecraft@26.1.2/net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1154) [minecraft-server-patched-26.1.2.48-beta.jar:?]
at TRANSFORMER/minecraft@26.1.2/net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1003) [minecraft-server-patched-26.1.2.48-beta.jar:?]
at TRANSFORMER/minecraft@26.1.2/net.minecraft.server.dedicated.DedicatedServer.tickServer(DedicatedServer.java:357) ~[minecraft-server-patched-26.1.2.48-beta.jar:?]
at TRANSFORMER/minecraft@26.1.2/net.minecraft.server.MinecraftServer.processPacketsAndTick(MinecraftServer.java:1035) [minecraft-server-patched-26.1.2.48-beta.jar:?]
at TRANSFORMER/minecraft@26.1.2/net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:776) [minecraft-server-patched-26.1.2.48-beta.jar:?]
at TRANSFORMER/minecraft@26.1.2/net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:300) [minecraft-server-patched-26.1.2.48-beta.jar:?]
at java.base/java.lang.Thread.run(Thread.java:1474) [?:?]
Caused by: java.lang.NoClassDefFoundError: net/minecraft/client/multiplayer/ClientLevel
at TRANSFORMER/sathlib@1.0.1/dev.satherov.sathlib.common.block.SLEntityBlock.lambda$getTicker$0(SLEntityBlock.java:72) ~[sathlib-1.0.1+26.1.2.jar:?]
at TRANSFORMER/minecraft@26.1.2/net.minecraft.world.level.chunk.LevelChunk$BoundTickingBlockEntity.tick(LevelChunk.java:779) ~[minecraft-server-patched-26.1.2.48-beta.jar:?]
at TRANSFORMER/minecraft@26.1.2/net.minecraft.world.level.chunk.LevelChunk$RebindableTickingBlockEntityWrapper.tick(LevelChunk.java:855) ~[minecraft-server-patched-26.1.2.48-beta.jar:?]
at TRANSFORMER/minecraft@26.1.2/net.minecraft.world.level.Level.tickBlockEntities(Level.java:525) ~[minecraft-server-patched-26.1.2.48-beta.jar:?]
at TRANSFORMER/minecraft@26.1.2/net.minecraft.server.level.ServerLevel.tick(ServerLevel.java:459) ~[minecraft-server-patched-26.1.2.48-beta.jar:?]
at TRANSFORMER/minecraft@26.1.2/net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1150) [minecraft-server-patched-26.1.2.48-beta.jar:?]
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.multiplayer.ClientLevel
at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:377) ~[?:?]
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:557) ~[?:?]
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:490) ~[?:?]
at net.neoforged.fml.classloading.ModuleClassLoader.loadClass(ModuleClassLoader.java:247) ~[loader-11.0.13.jar:11.0]
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:490) ~[?:?]