Here's the crash report and log
latestcrash.txt

latestlog.txt

`
Time: 2025-08-31 18:08:19
Description: Saving entity NBT

java.lang.IllegalStateException: Value must be within range [1;99]: 128
at knot//com.mojang.serialization.DataResult$Error.mded17d4$owo$lambda$addStackTraceToException$0$0(DataResult.java:584)
at knot//com.mojang.serialization.DataResult$Error.getOrThrow(DataResult.java:287)
at knot//com.mojang.serialization.DataResult.getOrThrow(DataResult.java:81)
at knot//net.minecraft.class_1799.method_57358(class_1799.java:449)
at knot//net.minecraft.class_1542.method_5652(class_1542.java:370)
at knot//net.minecraft.class_1297.method_5647(class_1297.java:2065)
at knot//net.minecraft.class_1297.method_5786(class_1297.java:2001)
at knot//net.minecraft.class_1297.method_5662(class_1297.java:2009)
at knot//net.minecraft.class_5565.method_31734(class_5565.java:110)
at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1708)
at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762)
at knot//net.minecraft.class_5565.method_31760(class_5565.java:108)
at knot//net.minecraft.class_5579.method_31812(class_5579.java:299)
at knot//net.minecraft.class_5579.method_31846(class_5579.java:380)
at knot//it.unimi.dsi.fastutil.longs.LongOpenHashSet.forEach(LongOpenHashSet.java:762)
at knot//it.unimi.dsi.fastutil.longs.LongIterable.forEach(LongIterable.java:146)
at knot//it.unimi.dsi.fastutil.longs.AbstractLongCollection.forEach(AbstractLongCollection.java:153)
at knot//net.minecraft.class_5579.method_31829(class_5579.java:374)
at knot//net.minecraft.class_3218.method_14176(class_3218.java:817)
at knot//net.minecraft.server.MinecraftServer.method_3723(MinecraftServer.java:570)
at knot//net.minecraft.server.MinecraftServer.method_39218(MinecraftServer.java:594)
at knot//net.minecraft.class_1132.method_39218(class_1132.java:313)
at knot//net.minecraft.class_1132.method_3748(class_1132.java:96)
at knot//net.minecraft.server.MinecraftServer.method_29741(MinecraftServer.java:713)
at knot//net.minecraft.server.MinecraftServer.method_29739(MinecraftServer.java:292)
at java.base/java.lang.Thread.run(Thread.java:1583)
`
Seems like you have a invalid item and owo is just in the stack trace... ngl nothing we can do here