🚨 Error: Cannot read property 'forEach' of null

[ampprojectbot]

Details

Error report: link
First seen: Apr 25, 2019
Frequency: ~ 67/day

Stacktrace

Error: Cannot read property 'forEach' of null
    at forEach (extensions/amp-animation/0.1/runners/native-web-animation-runner.js:122:18)
    at pause (extensions/amp-story/1.0/animation.js:398:19)
    at pause (extensions/amp-story/1.0/animation.js:624:50)
    at forEach (extensions/amp-story/1.0/animation.js:624:23)
    at pauseAll (extensions/amp-story/1.0/amp-story-page.js:541:32)
    at setState (extensions/amp-story/1.0/amp-story.js:1985:21)
    at onPausedStateUpdate_ (extensions/amp-story/1.0/amp-story.js:766:11)
    at handler (src/core/data-structures/observable.js:78:6)
    at fire (extensions/amp-story/1.0/amp-story-store-service.js:573:29)

Notes

@renovate-bot modified extensions/amp-animation/0.1/runners/native-web-animation-runner.js:122-122 in #27350 (Mar 30, 2020)
@mszylkowski modified extensions/amp-story/1.0/animation.js:398-398 in #34466 (Jul 2, 2021)
@renovate-bot modified extensions/amp-story/1.0/animation.js:624-624 in #27350 (Mar 30, 2020)
@renovate-bot modified extensions/amp-story/1.0/animation.js:624-624 in #27350 (Mar 30, 2020)
@alanorozco modified extensions/amp-story/1.0/amp-story-page.js:541-541 in #34081 (Apr 29, 2021)
@erwinmombay modified src/core/data-structures/observable.js:78-78 in #4249 (Sep 9, 2016)
@gmajoulet modified extensions/amp-story/1.0/amp-story-store-service.js:573-587 in #13997 (Mar 15, 2018)

Seen in:

• 07-03 Nightly (0008)

/cc @ampproject/release-on-duty

[mszylkowski]

Closing as it's a duplicate of #94