Bug 275536 – Web Inspector: Uncaught Exception: null is not an object (evaluating 'styleable.node')

• Component: Web Inspector
• Status: RESOLVED FIXED

[Devin Rousso]

Uncaught Exceptions:
-----------------------
 - null is not an object (evaluating 'styleable.node') (at AnimationContentView.js:166:53)
    ? @ AnimationContentView.js:166:53
    ? @ Animation.js:224:44
    _dispatchResponseToCallback @ Connection.js:152:27
    _dispatchResponse @ Connection.js:122:45
    dispatch @ Connection.js:77:35
    dispatchMessageFromTarget @ TargetManager.js:176:39
    dispatchMessageFromTarget @ TargetObserver.js:47:51
    _dispatchEvent @ Connection.js:210:26
    dispatch @ Connection.js:79:32
    dispatch @ InspectorBackend.js:233:52
    ? @ MessageDispatcher.js:42:34

Additional Details:
    cause --> An uncaught exception was thrown while dispatching response callback for command Animation.requestEffectTarget.
-----------------------

Protocol Event:
{"method":"Target.dispatchMessageFromTarget","params":{"targetId":"page-428","message":"{\"error\":{\"code\":-32000,\"message\":\"Missing animation for given animationId\",\"data\":[{\"code\":-32000,\"message\":\"Missing animation for given animationId\"}]},\"id\":1135}"}}
Dispatch Source:      Protocol Command Response

Protocol Command Response:
{"error":{"code":-32000,"message":"Missing animation for given animationId","data":[{"code":-32000,"message":"Missing animation for given animationId"}]},"id":1135}

Protocol Command Request:
{"id":1135,"method":"Animation.requestEffectTarget","params":{"animationId":"animation:0.91"}}

[Devin Rousso]

Pull request: https://github.com/WebKit/WebKit/pull/29865

[EWS]

Committed 280058@main (6a0ba1189b6b): <https://commits.webkit.org/280058@main>

Reviewed commits have been landed. Closing PR #29865 and removing active labels.

[Radar WebKit Bug Importer]

<rdar://problem/129935740>