🚨 Error: this.element.toggleAttribute is not a function. (In 'this.element.toggleAttribute("muted",a)', 'this.element.toggleAttribute' is undefined)

[ampprojectbot]

Details

Error report: link
First seen: May 15, 2020
Frequency: ~ 60/day

Stacktrace

Error: this.element.toggleAttribute is not a function. (In 'this.element.toggleAttribute("muted",a)', 'this.element.toggleAttribute' is undefined)
    at MUTED (extensions/amp-story/1.0/amp-story.js:157:9)
    at isMuted (extensions/amp-story/1.0/amp-story.js:636:33)
    at extensions/amp-story/1.0/amp-story-store-service.js:494:15
    at MUTED_STATE (extensions/amp-story/1.0/amp-story-store-service.js:143:15)
    at extensions/amp-story/1.0/amp-story.js:416:4
    at src/custom-element.js:478:18
    at src/custom-element.js:475:50
    at src/service/resource.js:336:11
    at resource (src/service/resources-impl.js:539:20)
    at buildResourceUnsafe_ (src/service/resources-impl.js:474:8)
    at discoverWork_ (src/service/resources-impl.js:1759:36)
    at callback (src/finite-state-machine.js:72:6)
    at src/service/resources-impl.js:737:42
    at src/service/resources-impl.js:134:42
    at src/pass.js:109:4
    at src/pass.js:55:6
    at callback (src/service/timer-impl.js:76:10)

Notes

@mszylkowski modified extensions/amp-story/1.0/amp-story.js:157-157 in #28417 (May 14, 2020)
@rsimha modified extensions/amp-story/1.0/amp-story.js:636-636 in #21212 (May 16, 2019)
@gmajoulet modified extensions/amp-story/1.0/amp-story-store-service.js:143-144 in #18908 (Oct 24, 2018)
@newmuis modified extensions/amp-story/1.0/amp-story.js:416-416 in #11511 (Oct 4, 2017)
@zhouyx modified src/custom-element.js:477-479 in #14306 (Apr 3, 2018)
@rsimha modified src/custom-element.js:475-475 in #21212 (May 16, 2019)
@rsimha modified src/service/resource.js:336-338 in #21212 (May 16, 2019)
@lannka modified src/service/resources-impl.js:537-542 in #23345 (Jul 17, 2019)
@choumx modified src/service/resources-impl.js:474-474 in #27657 (Apr 9, 2020)
@jridgewell modified src/service/resources-impl.js:134-134 in #9789 (Jun 8, 2017)
@jridgewell modified src/pass.js:105-112 in #3513 (Jun 9, 2016)
@rsimha modified src/service/timer-impl.js:70-78 in #21212 (May 16, 2019)

Seen in:

• 05-15 Nightly (0002)
• 05-18 Nightly (0414)

Possible assignees: @mszylkowski, @choumx

/cc @ampproject/release-on-duty

[rcebulko]

/tryassign @mszylkowski This error appeared in the Nightly following #28417, and appears related to the muted attribute. Would you mind taking a look?

[amp-invite-bot]

I've assigned this issue to @mszylkowski.

[rcebulko]

Thanks for taking care of this so quickly!