🚨 Error: Animation is not defined

[ampprojectbot]

Details

Error report: link
First seen: Sep 12, 2020
Frequency: ~ NaN/day

Stacktrace

Error: Animation is not defined
    at src/service/fixed-layer.js:905:4
    at animateFixedElements (src/service/viewport/viewport-impl.js:900:26)
    at opt_event (src/observable.js:81:14)
    at observable (src/service/viewer-impl.js:736:6)
    at viewer (extensions/amp-viewer-integration/0.1/amp-viewer-integration.js:211:13)
    at handler (extensions/amp-viewer-integration/0.1/messaging/messaging.js:424:20)
    at handleRequest_ (extensions/amp-viewer-integration/0.1/messaging/messaging.js:311:6)
    at handler (extensions/amp-viewer-integration/0.1/messaging/messaging.js:83:8)

Notes

@erwinmombay modified src/observable.js:81-81 in #4249 (Sep 9, 2016)
@muxin modified src/service/viewer-impl.js:735-736 in #7004 (Jan 13, 2017)
@chenshay modified extensions/amp-viewer-integration/0.1/amp-viewer-integration.js:211-211 in #7173 (Feb 9, 2017)
@chenshay modified extensions/amp-viewer-integration/0.1/messaging/messaging.js:423-424 in #7563 (Feb 25, 2017)
@chenshay modified extensions/amp-viewer-integration/0.1/messaging/messaging.js:311-311 in #6087 (Dec 8, 2016)

Seen in:

• 09-15 Nightly (2011)

Possible assignees: @chenshay, @muxin

/cc @ampproject/release-on-duty