🚨 Error: Assertion failed

[ampprojectbot]

Details

Error report: link
First seen: Mar 4, 2021
Frequency: ~ 1,974/day

Stacktrace

Error: Assertion failed
    at message (src/core/assert.js:92:29)
    at getElementsByClassName (src/service/owners-impl.js:137:34)
    at getElementsByClassName (src/service/owners-impl.js:137:34)
    at findResourcesInElements_ (src/service/owners-impl.js:95:4)
    at this (extensions/amp-consent/0.1/consent-ui.js:370:8)
    at pause (extensions/amp-consent/0.1/amp-consent.js:171:22)
    at unlayoutCallback (src/custom-element.js:1512:42)
    at disconnect (src/service/resource.js:1124:2)
    at whenSignal (src/utils/signals.js:65:2)
    at VISIBLE (src/visibility-state.js:30:11)
    at PRERENDER (src/visibility-state.js:25:13)
    at src/service/task-queue.js:87:4
    at measure (src/service/resources-impl.js:754:18)
    at Input (src/input.js:32:13)
    at delay (src/pass.js:94:36)
    at this (src/service/timer-impl.js:121:15)

Notes

@rcebulko modified src/core/assert.js:92-93 in #32887 (Feb 25, 2021)
@lannka modified src/service/owners-impl.js:118-155 in #24222 (Aug 30, 2019)
@lannka modified src/service/owners-impl.js:118-155 in #24222 (Aug 30, 2019)
@renovate-bot modified src/service/owners-impl.js:95-95 in #27350 (Mar 30, 2020)
@dvoytenko modified extensions/amp-consent/0.1/consent-ui.js:366-392 in #32480 (Feb 8, 2021)
@dvoytenko modified extensions/amp-consent/0.1/amp-consent.js:168-181 in #32480 (Feb 8, 2021)
@dvoytenko modified src/service/resource.js:1119-1125 in #6575 (Dec 9, 2016)
@dvoytenko modified src/utils/signals.js:57-70 in #7240 (Jan 30, 2017)
@avimehta modified src/visibility-state.js:1-48 in #3371 (Jun 2, 2016)
@avimehta modified src/visibility-state.js:1-48 in #3371 (Jun 2, 2016)
@dvoytenko modified src/service/task-queue.js:43-95 in #3544 (Jun 14, 2016)
@muxin modified src/service/resources-impl.js:751-754 in #7327 (Feb 17, 2017)
@dvoytenko modified src/input.js:27-45 in #226 (Sep 18, 2015)
@cramforce modified src/pass.js:94-94 in #3904 (Jul 6, 2016)
@renovate-bot modified src/service/timer-impl.js:121-121 in #27350 (Mar 30, 2020)

Seen in:

• 03-04 Nightly (0444)

Possible assignees: @rcebulko, @dvoytenko

/cc @ampproject/release-on-duty

[rcebulko]

As a result of ampproject/amphtml#32828 , devAsserts temporarily made it into Nightly build. They are being removed again (fix in ampproject/amphtml#33087) but this was one assertion which was failing in production. Suggest replacing this devAssert with explicit error report to collect data.