{"record":{"id":"0d3f0f109f8e1343","repo":"remotion-dev/remotion","slug":"could-not-update-effect-keyframe-settings","errorCode":null,"errorMessage":"Could not update effect keyframe settings","messagePattern":"Could not update effect keyframe settings","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"packages/browser-studio/src/browser-studio-operations.ts","lineNumber":1776,"sourceCode":"\t\t\treturn getSequenceKeyframeResponse({mutation, project: result.project});\n\t\t},\n\t\tupdateEffectKeyframeSettings: async (request) => {\n\t\t\tconst result = await commitKeyframeMutations({\n\t\t\t\tlabel: `${request.key} effect keyframe settings`,\n\t\t\t\tsequenceMutations: [],\n\t\t\t\teffectMutations: [\n\t\t\t\t\t{\n\t\t\t\t\t\tfileName: request.fileName,\n\t\t\t\t\t\tsequenceNodePath: request.sequenceNodePath,\n\t\t\t\t\t\teffectIndex: request.effectIndex,\n\t\t\t\t\t\tschema: request.schema,\n\t\t\t\t\t\tupdates: [{key: request.key, operation: request.settings}],\n\t\t\t\t\t},\n\t\t\t\t],\n\t\t\t});\n\t\t\tconst mutation = result.appliedEffectMutations[0];\n\t\t\tif (!mutation) {\n\t\t\t\tthrow new Error('Could not update effect keyframe settings');\n\t\t\t}\n\n\t\t\treturn getEffectKeyframeResponse({mutation, project: result.project});\n\t\t},\n\t\tbatchUpdateKeyframeSettings: async ({\n\t\t\tsequenceKeyframes,\n\t\t\teffectKeyframes,\n\t\t}) => {\n\t\t\tawait commitKeyframeMutations({\n\t\t\t\tlabel: `${sequenceKeyframes.length + effectKeyframes.length} keyframe settings`,\n\t\t\t\tsequenceMutations: sequenceKeyframes.map((keyframe) => ({\n\t\t\t\t\tfileName: keyframe.fileName,\n\t\t\t\t\tnodePath: keyframe.nodePath,\n\t\t\t\t\tschema: keyframe.schema,\n\t\t\t\t\tupdates: [{key: keyframe.key, operation: keyframe.settings}],\n\t\t\t\t})),\n\t\t\t\teffectMutations: effectKeyframes.map((keyframe) => ({\n\t\t\t\t\tfileName: keyframe.fileName,","sourceCodeStart":1758,"sourceCodeEnd":1794,"githubUrl":"https://github.com/remotion-dev/remotion/blob/b2f4e34732f3c6c222ea029413e22dc402218cd7/packages/browser-studio/src/browser-studio-operations.ts#L1758-L1794","documentation":"Rejected by updateEffectKeyframeSettings in @remotion/browser-studio when `result.appliedEffectMutations[0]` is undefined — the settings update for an effect keyframe addressed by (fileName, sequenceNodePath, effectIndex, key) was not applied. The promise rejects because this keyframe API throws instead of returning `{success: false}`.","triggerScenarios":"Calling `keyframes.updateEffectKeyframeSettings({fileName, sequenceNodePath, effectIndex, schema, key, settings})` with a stale sequenceNodePath, an effectIndex that no longer targets the same effect, or a schema that no longer matches the effect's parameters.","commonSituations":"Effects were added/removed so indexes shifted; node path stale after undo/redo; the effect keyframe was already deleted when the settings save fired.","solutions":["Re-resolve the sequence node path and effect index from current state and retry","Verify the target keyframe still exists before opening the settings editor","Catch the rejection and refresh effect state so the user can retry with valid targets"],"exampleFix":"// before\nawait operations.keyframes.updateEffectKeyframeSettings({\n  fileName, sequenceNodePath: stale, effectIndex: 0, schema: stale, key: 'blur', settings,\n});\n\n// after\nconst target = await resolveEffectKeyframeTarget();\nif (target === null) return; // keyframe gone, nothing to update\nawait operations.keyframes.updateEffectKeyframeSettings({\n  fileName, sequenceNodePath: target.nodePath, effectIndex: target.effectIndex,\n  schema: target.schema, key: 'blur', settings,\n});","handlingStrategy":"try-catch","validationCode":null,"typeGuard":null,"tryCatchPattern":"try {\n  await operations.keyframes.updateEffectKeyframeSettings({fileName, sequenceNodePath, effectIndex, schema, key, settings});\n} catch (error) {\n  await refreshEffectKeyframes();\n}","preventionTips":["Invalidate cached (sequenceNodePath, effectIndex) pairs whenever the effect stack changes","Save settings immediately after the user edits them rather than deferring across other mutations"],"tags":["keyframes","effects","node-path","settings","browser-studio"],"backgroundTag":"invalid-node-path","analyzedSha":"b2f4e34732f3c6c222ea029413e22dc402218cd7","analyzedAt":"2026-08-22T21:45:17.748Z","contentChangedAt":"2026-08-22T21:45:17.748Z","schemaVersion":2},"datasetVersion":"2026-09-14T05:17:10.506Z"}