🚨 Error: Cannot read properties of null (reading 'next')

[ampprojectbot]

Details

Error report: link
First seen: Sep 30, 2021
Frequency: ~ 12,210/day

Stacktrace

Error: Cannot read properties of null (reading 'next')
    at next (extensions/amp-story/1.0/amp-story.js:1287:15)
    at next_ (extensions/amp-story/1.0/amp-story.js:1366:11)
    at performTapNavigation_ (extensions/amp-story/1.0/amp-story.js:700:11)
    at navigationListener (extensions/amp-story/1.0/page-advancement.js:229:6)
    at forEach (extensions/amp-story/1.0/page-advancement.js:228:33)
    at onTapNavigation (extensions/amp-story/1.0/page-advancement.js:736:9)

Notes

@prateekbh modified extensions/amp-story/1.0/page-advancement.js:229-232 in #12671 (Jan 12, 2018)
@renovate-bot modified extensions/amp-story/1.0/page-advancement.js:228-228 in #27350 (Mar 30, 2020)
@Enriqe modified extensions/amp-story/1.0/page-advancement.js:736-738 in #16381 (Jun 29, 2018)

Seen in:

• 07-28 Stable (1718+2)
• 08-05 Beta (1912+1)
• 08-05 Control (1912+1)
• 08-05 Experiment-B (1912+1)
• 08-05 Nightly-Control (1912+1)
• 08-05 Stable (1912+1)
• +7 more

Possible assignees: @Enriqe, @prateekbh

/cc @ampproject/release-on-duty