{"record":{"id":"0846aa25ed081f92","repo":"stride3d/stride","slug":"property-path-parse-error-could-not-find-binding-info-for-0846aa","errorCode":null,"errorMessage":"Property path parse error: could not find binding info for member {0} in type {1}","messagePattern":"Property path parse error: could not find binding info for member (.+?) in type (.+?)","errorType":"validation","errorClass":"InvalidOperationException","httpStatus":null,"severity":"error","filePath":"sources/engine/Stride.Engine/Updater/UpdateEngine.cs","lineNumber":306,"sourceCode":"\n                            // if not found, try to find a custom resolver \n                            parentType = containerType;\n                            while (updatableMember == null && parentType != null)\n                            {\n                                UpdateMemberResolver resolver;\n                                if (MemberResolvers.TryGetValue(parentType, out resolver))\n                                {\n                                    updatableMember = resolver.ResolveProperty(propertyName);\n                                    if (updatableMember != null)\n                                        break;\n                                }\n\n                                parentType = parentType.GetTypeInfo().BaseType;\n                            }\n\n                            if (updatableMember == null)\n                            {\n                                throw new InvalidOperationException(string.Format(\"Property path parse error: could not find binding info for member {0} in type {1}\", propertyName, containerType));\n                            }\n\n                            // Process member\n                            ProcessMember(ref state, animationPath, updatableMember, temporaryObjectsList);\n                        }\n                    }\n\n                    state.ParseElementStart = state.ParseElementEnd;\n                }\n\n                currentPath = animationPath.Name;\n            }\n\n            // Totally pop the stack (we might still have stuff to copy back into properties\n            PopObjects(ref state, 0);\n\n            return new CompiledUpdate\n            {","sourceCodeStart":288,"sourceCodeEnd":324,"githubUrl":"https://github.com/stride3d/stride/blob/96fad776d210c221682aac1ccdf4c79dc046fc38/sources/engine/Stride.Engine/Updater/UpdateEngine.cs#L288-L324","documentation":"While walking a property path, UpdateEngine searches the container type (and its base types) for a member with matching updatable binding info (property/field the animation system can bind to). If no member matching the path segment exists on the type or its bases, it throws, meaning the path points at a member that cannot be animated or does not exist.","triggerScenarios":"A path segment names a member that does not exist on the target type (typo, renamed member), or the member exists but is not a bindable property/field (e.g. static, indexer, or a non-updatable member), or the target object type differs from what the path assumed (often after a cast).","commonSituations":"Renaming a C# property after authoring animation clips, animating fields the updater doesn't support, path strings written against an older version of a class, or a cast in the path that changes the expected container type.","solutions":["Fix the member name in the path to match an existing public property/field on the target type","Confirm the member is animatable (public instance property/field with a compatible type)","Check for renames after refactoring and update serialized animation clips/assets accordingly","Verify the cast type earlier in the path is correct so the member is looked up on the right type"],"exampleFix":"// before\nvar path = 'NonExistentProperty'; // member missing on target type\n// after\nvar path = 'ExistingAnimatableProperty';","handlingStrategy":"validation","validationCode":"static void EnsureMemberAnimatable(Type t, string member) { const BindingFlags F = BindingFlags.Public | BindingFlags.Instance; if (t.GetProperty(member, F) == null && t.GetField(member, F) == null) throw new ArgumentException($\"'{member}' is not a public instance member of {t}\"); }","typeGuard":null,"tryCatchPattern":"try { var compiler = UpdateEngine.Compile(path, type, ...); } catch (InvalidOperationException ex) when (ex.Message.Contains(\"could not find binding info\")) { // inspect path vs type\n    throw new ArgumentException($\"Animation path '{path}' does not match type {type}\", ex); }","preventionTips":["After renaming properties, regenerate or update animation clips","Prefer strong-typed path construction (e.g. PropertyPath helpers) over raw strings","Keep animatable members public instance properties","Add compile-time tests that compile all shipped animation clips"],"tags":["animation","property-path","binding","reflection"],"backgroundTag":"entity-not-found","analyzedSha":"96fad776d210c221682aac1ccdf4c79dc046fc38","analyzedAt":"2026-09-14T02:59:31.279Z","contentChangedAt":"2026-09-14T02:59:31.279Z","schemaVersion":2},"datasetVersion":"2026-09-23T08:17:48.524Z"}