🚨 Error: undefined is not a function

[ampprojectbot]

Details

Error report: link
First seen: Apr 13, 2022
Frequency: ~ 33,636/day

Stacktrace

Error: undefined is not a function
    at forEach (extensions/amp-story/1.0/amp-story-grid-layer.js:111:28)
    at setDescendentCssGridStyles_ (extensions/amp-story/1.0/amp-story-grid-layer.js:82:9)
    at buildCallback (src/custom-element.js:549:30)

Notes

@alanorozco modified extensions/amp-story/1.0/amp-story-grid-layer.js:111-111 in #38004 (Apr 4, 2022)
@newmuis modified extensions/amp-story/1.0/amp-story-grid-layer.js:81-82 in #11487 (Oct 2, 2017)
@dvoytenko modified src/custom-element.js:539-553 in #32568 (Feb 25, 2021)

Seen in:

• 04-22 Control (1712)
• 04-22 Stable (1712)
• 04-29 Beta (2129)
• 04-29 Experiment-B (2129)
• 04-29 Experimental (2129)
• +1 more

Possible assignees: @alanorozco, @dvoytenko

/cc @ampproject/release-on-duty