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

Details
---
**Error report:** [link](http://go/ampe/CLzyhf790pbCbw)
**First seen:** Dec 10, 2021
**Frequency:** ~ 565/day

Stacktrace
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Error: Cannot read properties of null (reading 'setState')

    at setState (amp-story/1.0/amp-story.js:470:23)

    at pause_AMP_PRIVATE_ (amp-story/1.0/amp-story.js:1624:52)

    at onVisibilityChanged_AMP_PRIVATE_ (amp-story/1.0/amp-story.js:737:47)

    at promiseMap_AMP_PRIVATE_ (src/core/data-structures/signals.js:90:26)

    at resolve (src/service/ampdoc-impl.js:759:16)

    at navigationStart (src/service/ampdoc-impl.js:624:55)

    at ancestorOrigins (src/service/viewer-impl.js:607:54)

    at this (src/service/viewer-impl.js:749:32)

    at receiveMessage (amp-viewer-integration/0.1/amp-viewer-integration.js:199:20)

    at handler (amp-viewer-integration/0.1/messaging/messaging.js:416:20)

Notes
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`@rcebulko` modified `src/core/data-structures/signals.js:90-90` in [#34367](https://github.com/ampproject/amphtml/pull/34367) (May 14, 2021)
`@rsimha` modified `src/service/ampdoc-impl.js:758-759` in [#21212](https://github.com/ampproject/amphtml/pull/21212) (May 16, 2019)
`@jridgewell` modified `src/service/ampdoc-impl.js:619-633` in [#37144](https://github.com/ampproject/amphtml/pull/37144) (Dec 7, 2021)
`@rsimha` modified `src/service/viewer-impl.js:605-608` in [#21212](https://github.com/ampproject/amphtml/pull/21212) (May 16, 2019)
`@lannka` modified `src/service/viewer-impl.js:749-749` in [#6191](https://github.com/ampproject/amphtml/pull/6191) (Nov 17, 2016)

**Seen in:**
- 12-23 Beta (1523+1)

**Possible assignees:** `@jridgewell`, `@lannka`

/cc @ampproject/release-on-duty