{"record":{"id":"a28806c0f6d8a0c7","repo":"stride3d/stride","slug":"the-current-event-is-of-an-unsupported-type","errorCode":null,"errorMessage":"The current event is of an unsupported type.","messagePattern":"The current event is of an unsupported type\\.","errorType":"exception","errorClass":"ArgumentException","httpStatus":null,"severity":"error","filePath":"sources/core/Stride.Core.Yaml/Serialization/YamlNode.cs","lineNumber":125,"sourceCode":"            }\n\n            if (events.Accept<SequenceStart>())\n            {\n                return new YamlSequenceNode(events, state);\n            }\n\n            if (events.Accept<MappingStart>())\n            {\n                return new YamlMappingNode(events, state);\n            }\n\n            if (events.Accept<AnchorAlias>())\n            {\n                AnchorAlias alias = events.Expect<AnchorAlias>();\n                return state.GetNode(alias.Value, false, alias.Start, alias.End) ?? new YamlAliasNode(alias.Value);\n            }\n\n            throw new ArgumentException(\"The current event is of an unsupported type.\", \"events\");\n        }\n\n        /// <summary>\n        /// Resolves the aliases that could not be resolved when the node was created.\n        /// </summary>\n        /// <param name=\"state\">The state of the document.</param>\n        internal abstract void ResolveAliases(DocumentLoadingState state);\n\n        /// <summary>\n        /// Saves the current node to the specified emitter.\n        /// </summary>\n        /// <param name=\"emitter\">The emitter where the node is to be saved.</param>\n        /// <param name=\"state\">The state.</param>\n        internal void Save(IEmitter emitter, EmitterState state)\n        {\n            if (!string.IsNullOrEmpty(Anchor) && !state.EmittedAnchors.Add(Anchor))\n            {\n                emitter.Emit(new AnchorAlias(Anchor));","sourceCodeStart":107,"sourceCodeEnd":143,"githubUrl":"https://github.com/stride3d/stride/blob/96fad776d210c221682aac1ccdf4c79dc046fc38/sources/core/Stride.Core.Yaml/Serialization/YamlNode.cs#L107-L143","documentation":"Thrown by YamlNode.ParseNode when the current parser event is neither a scalar, sequence, mapping, nor anchor alias — i.e. an event type the node parser does not know how to convert into a YamlNode. It indicates a malformed or unexpected YAML event stream rather than bad user input.","triggerScenarios":"Parsing a YAML document whose current event is of a type not handled by ParseNode (e.g. stream/document-level events reaching node-parsing code), typically due to corrupted or non-standard YAML input.","commonSituations":"Feeding truncated or malformed YAML files to the asset deserializer; parser state desync after a prior parse error.","solutions":["Validate the YAML document parses with a standard parser before loading","Check the input file for truncation or corruption at the reported location","Catch ArgumentException around parsing and surface the file/line to the user"],"exampleFix":"// before\nvar node = YamlNode.Parse(events, state);\n// after\nYamlNode node;\ntry { node = YamlNode.Parse(events, state); }\ncatch (ArgumentException e) { throw new YamlException(\"Unsupported YAML event while parsing node\", e); }","handlingStrategy":"try-catch","validationCode":"// Parse with a validation pass first\nusing var reader = new StringReader(yamlText);\nnew YamlStream().Load(reader); // throws earlier with position info if malformed","typeGuard":"null","tryCatchPattern":"try { var node = YamlNode.Parse(events, state); } catch (ArgumentException ex) { throw new YamlException(\"Unsupported YAML event; document may be malformed\", ex); }","preventionTips":["Validate YAML files with a standard parser before loading","Never feed truncated files to the parser","Regenerate corrupted asset files instead of patching"],"tags":["yaml","parsing","unsupported"],"backgroundTag":"yaml-parse-error","analyzedSha":"96fad776d210c221682aac1ccdf4c79dc046fc38","analyzedAt":"2026-09-14T02:59:31.279Z","contentChangedAt":"2026-09-14T02:59:31.279Z","schemaVersion":2},"datasetVersion":"2026-09-15T23:17:13.987Z"}