{"record":{"id":"9986540d19e48a16","repo":"FyroxEngine/Fyrox","slug":"failed-to-set-property-property-path-reason-e","errorCode":null,"errorMessage":"Failed to set property {property_path}! Reason: {err:?}","messagePattern":"Failed to set property (.+?)! Reason: (.+?)","errorType":"console","errorClass":null,"httpStatus":null,"severity":"warning","filePath":"fyrox-animation/src/value.rs","lineNumber":420,"sourceCode":"\n    /// Sets a property of the given object.\n    pub fn apply_to_object(\n        &self,\n        object: &mut dyn Reflect,\n        property_path: &str,\n        value_type: ValueType,\n    ) {\n        object.resolve_path_mut(property_path, &mut |result| match result {\n            Ok(property) => {\n                let applied = self.value.apply_to_any(property, value_type);\n                if applied {\n                    if let Some(var) = property.as_inheritable_variable_mut() {\n                        var.mark_modified();\n                    }\n                }\n            }\n            Err(err) => {\n                Log::err(format!(\n                    \"Failed to set property {property_path}! Reason: {err:?}\"\n                ));\n            }\n        });\n    }\n}\n\n/// A collection of values that are bounds to some properties.\n#[derive(Clone, Debug, Default, PartialEq)]\npub struct BoundValueCollection {\n    /// Actual values collection.\n    pub values: Vec<BoundValue>,\n}\n\nimpl BoundValueCollection {\n    /// Tries to blend each value of the current collection with a respective (by binding) value in the other collection.\n    /// See [`TrackValue::blend_with`] docs for more info.\n    pub fn blend_with(&mut self, other: &Self, weight: f32) {","sourceCodeStart":402,"sourceCodeEnd":438,"githubUrl":"https://github.com/FyroxEngine/Fyrox/blob/76c91aad8eca488ce527b1af707be8b3b24ad72d/fyrox-animation/src/value.rs#L402-L438","documentation":"When an animation frame is applied, apply_to_object resolves the property path on the target object and sets its value. If the setter fails (unknown property, immutable, or type error), it does not panic — it logs 'Failed to set property {path}! Reason: {err:?}'. It signals a broken or stale property binding in the track.","triggerScenarios":"Playing an animation whose track targets a property path that no longer exists, was renamed, or whose value type is incompatible with the track's value kind.","commonSituations":"Refactoring node/scene properties after animations were authored; animations saved with older engine versions referencing removed properties; scripts targeting custom properties with wrong paths or types.","solutions":["Open the animation in the editor and fix/re-bind the track's target property path to an existing property.","Log/inspect the returned error to see the exact reason (unknown property vs type mismatch) and correct path or value kind accordingly.","Use Property::try_get/set or reflection to verify the property path exists on the target before binding the track."],"exampleFix":"// before\ntrack.set_target_property(\"LocalPosition\"); // renamed in engine\n// after\ntrack.set_target_property(\"Position\"); // matches current reflection path","handlingStrategy":"try-catch","validationCode":"if target.resolve_path(property_path).is_err() { /* fix track before playing */ }","typeGuard":null,"tryCatchPattern":"match result {\n    Err(err) => eprintln!(\"Failed to set property {property_path}! Reason: {err:?}\"),\n    Ok(_) => {},\n}","preventionTips":["Validate property paths on the target object before binding animation tracks","Re-bind stale tracks after renaming/removing properties"],"tags":["animation","property-path","binding","fyrox"],"backgroundTag":"invalid-argument-value","analyzedSha":"76c91aad8eca488ce527b1af707be8b3b24ad72d","analyzedAt":"2026-09-10T16:04:01.633Z","contentChangedAt":"2026-09-10T16:04:01.633Z","schemaVersion":2},"datasetVersion":"2026-09-16T09:17:16.951Z"}