{"record":{"id":"1297b6ef2b8e9fe8","repo":"Pumpkin-MC/Pumpkin","slug":"error-deserializing-chunk-0","errorCode":null,"errorMessage":"Error deserializing chunk: {0}","messagePattern":"Error deserializing chunk: (.+?)","errorType":"error_code","errorClass":"ChunkParsingError","httpStatus":null,"severity":"error","filePath":"crates/pumpkin-world/src/chunk/mod.rs","lineNumber":927,"sourceCode":"        self.section\n            .block_sections\n            .read()\n            .unwrap_or_else(std::sync::PoisonError::into_inner)\n            .iter()\n            .enumerate()\n            .rev()\n            .find(|(_, sub)| !sub.has_only_air())\n            .map_or(0, |(idx, _)| idx)\n    }\n}\n\n#[derive(Error, Debug)]\npub enum ChunkParsingError {\n    #[error(\"Failed reading chunk status {0}\")]\n    FailedReadStatus(pumpkin_nbt::Error),\n    #[error(\"The chunk isn't generated yet\")]\n    ChunkNotGenerated,\n    #[error(\"Error deserializing chunk: {0}\")]\n    ErrorDeserializingChunk(String),\n}\n\n#[derive(Error, Debug)]\npub enum ChunkSerializingError {\n    #[error(\"Error serializing chunk: {0}\")]\n    ErrorSerializingChunk(pumpkin_nbt::Error),\n}\n\n#[cfg(test)]\nmod tests {\n    use super::ChunkSections;\n    use crate::chunk::palette::BlockPalette;\n    use pumpkin_data::{Block, block_properties::has_random_ticks};\n\n    #[test]\n    fn random_tick_cache_initializes_from_palette_contents() {\n        let mut sections = vec![BlockPalette::default(), BlockPalette::default()];","sourceCodeStart":909,"sourceCodeEnd":945,"githubUrl":"https://github.com/Pumpkin-MC/Pumpkin/blob/8d4639e25a57c15e47448ec327c780d41bbf2356/crates/pumpkin-world/src/chunk/mod.rs#L909-L945","documentation":"Variant `ErrorDeserializingChunk` of `ChunkParsingError` in pumpkin-world, carrying a `String` message. It is thrown when chunk data fails to deserialize beyond the status-read step — e.g. missing sections, bad block palettes, or malformed NBT structures while rebuilding a `ChunkData` from stored NBT.","triggerScenarios":"Converting stored chunk NBT into `ChunkSections`/`ChunkData` when section data, palettes, block entities, or heights are missing or invalid.","commonSituations":"Chunks written by incompatible server versions (different NBT layout), corrupted saves, third-party world editors writing nonstandard chunk data.","solutions":["Read the embedded String message to identify which chunk component failed to deserialize","Compare the chunk's NBT schema against the version pumpkin-world expects","Delete/regenerate the offending chunk"],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":null,"typeGuard":"matches!(err, ChunkParsingError::ErrorDeserializingChunk(_))","tryCatchPattern":"match deserialize_chunk(nbt) {\n    Err(ChunkParsingError::ErrorDeserializingChunk(msg)) => error!(\"chunk deserialization failed: {msg}\"),\n    other => other?,\n}","preventionTips":["Keep server and world data versions in sync","Avoid third-party world editors that write nonstandard chunk NBT","Back up worlds before version migrations"],"tags":["deserialization","nbt","chunks"],"backgroundTag":"schema-validation-failed","analyzedSha":"8d4639e25a57c15e47448ec327c780d41bbf2356","analyzedAt":"2026-09-09T15:32:22.916Z","contentChangedAt":"2026-09-09T15:32:22.916Z","schemaVersion":2},"datasetVersion":"2026-09-16T04:17:20.429Z"}