🚨 Error: null is not an object (evaluating 'this.o.signals')

[ampprojectbot]

Details

Error report: link
First seen: Oct 14, 2020
Frequency: ~ 932/day

Stacktrace

Error: null is not an object (evaluating 'this.o.signals')
    at signals (extensions/amp-story-auto-ads/0.1/amp-story-auto-ads.js:183:7)
    at fn (src/utils/promise.js:75:12)
    at resolve (src/utils/promise.js:74:22)
    at src/custom-element.js:1136:33
    at signal (src/service/resource.js:962:46)
    at state (src/service/vsync-impl.js:470:25)
    at tasks (src/service/vsync-impl.js:426:18)
    at src/pass.js:109:4
    at src/pass.js:55:6
    at callback (src/service/timer-impl.js:83:8)

Notes

@rsimha modified extensions/amp-story-auto-ads/0.1/amp-story-auto-ads.js:182-185 in #21212 (May 16, 2019)
@jridgewell modified src/utils/promise.js:75-78 in #15143 (May 8, 2018)
@renovate-bot modified src/utils/promise.js:74-74 in #27350 (Mar 30, 2020)
@zhouyx modified src/custom-element.js:1136-1136 in #15410 (May 18, 2018)
@jridgewell modified src/service/resource.js:962-962 in #30426 (Oct 9, 2020)
@jridgewell modified src/service/vsync-impl.js:470-471 in #20836 (Feb 14, 2019)
@jridgewell modified src/pass.js:105-112 in #3513 (Jun 9, 2016)
@cramforce modified src/service/timer-impl.js:81-88 in #7363 (Feb 7, 2017)

Seen in:

• 11-20 Control (0012+1)
• 11-20 Stable (0012+1)
• 11-25 Beta (2111+1)
• 11-25 Experimental (2111+1)
• 12-05 Nightly (0452)
• +2 more

Possible assignees: @jridgewell, @zhouyx

/cc @ampproject/release-on-duty