Details

Error report: link
First seen: Sep 28, 2021
Frequency: ~ 6,766/day

Stacktrace

Error: Cannot read properties of null (reading 'getVisibilityState')
    at getVisibilityState (src/service/performance-impl.js:506:31)
    at isVisibilityHidden_ (src/service/performance-impl.js:559:13)
    at tickLayoutShiftScore_ (src/service/performance-impl.js:415:15)
    at forEach (src/service/performance-impl.js:492:26)

Notes

@jridgewell modified src/service/performance-impl.js:501-511 in #36147 (Sep 24, 2021)
@jridgewell modified src/service/performance-impl.js:551-561 in #36147 (Sep 24, 2021)
@jridgewell modified src/service/performance-impl.js:414-416 in #36147 (Sep 24, 2021)
@erwinmombay modified src/service/performance-impl.js:489-498 in #30554 (Oct 12, 2020)

Seen in:

• 09-27 Nightly (2305)

Possible assignees: @jridgewell, @erwinmombay

/cc @ampproject/release-on-duty