{"record":{"id":"cc8e055ba5fa43be","repo":"zellij-org/zellij","slug":"character-key-missing-character-data","errorCode":null,"errorMessage":"Character key missing character data","messagePattern":"Character key missing character data","errorType":"validation","errorClass":"anyhow::Error","httpStatus":null,"severity":"error","filePath":"zellij-utils/src/ipc/protobuf_conversion.rs","lineNumber":3251,"sourceCode":"}\n\nimpl TryFrom<crate::client_server_contract::client_server_contract::KeyWithModifier>\n    for crate::data::KeyWithModifier\n{\n    type Error = anyhow::Error;\n    fn try_from(\n        key: crate::client_server_contract::client_server_contract::KeyWithModifier,\n    ) -> Result<Self> {\n        use crate::ipc::enum_conversions::{bare_key_from_proto_i32, key_modifier_from_proto_i32};\n        use std::collections::BTreeSet;\n\n        // Handle character keys specially\n        let bare_key = if key.bare_key\n            == crate::client_server_contract::client_server_contract::BareKey::Char as i32\n        {\n            let character_str = key\n                .character\n                .ok_or_else(|| anyhow!(\"Character key missing character data\"))?;\n            let character = character_str\n                .chars()\n                .next()\n                .ok_or_else(|| anyhow!(\"Empty character string\"))?;\n            crate::data::BareKey::Char(character)\n        } else {\n            bare_key_from_proto_i32(key.bare_key)?\n        };\n\n        let key_modifiers: Result<BTreeSet<_>> = key\n            .key_modifiers\n            .into_iter()\n            .map(|modifier| key_modifier_from_proto_i32(modifier))\n            .collect();\n\n        Ok(Self {\n            bare_key,\n            key_modifiers: key_modifiers?,","sourceCodeStart":3233,"sourceCodeEnd":3269,"githubUrl":"https://github.com/zellij-org/zellij/blob/e839bfffa586992364309a685b2c71f3b23c247e/zellij-utils/src/ipc/protobuf_conversion.rs#L3233-L3269","documentation":"Error \"Character key missing character data\" thrown in zellij-org/zellij.","triggerScenarios":"Occurs when a protobuf message received over IPC omits the required field; deserialization fails instead of using a default.","commonSituations":"Occurs when a client or plugin sends an incompletely populated message, often from a version mismatch or hand-crafted payload.","solutions":["Include the required 'character data' field in the protobuf message before sending it.","Verify the sender populates all mandatory fields; add a presence check before conversion."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"e839bfffa586992364309a685b2c71f3b23c247e","analyzedAt":"2026-08-19T07:42:58.758Z","contentChangedAt":"2026-08-19T07:42:58.758Z","schemaVersion":2},"datasetVersion":"2026-09-23T08:17:48.524Z"}