Firefox 72.0.2 (64-bit) for Mac

Private Browsing (all add-ons disabled)

received javascript message reading:

Apologies! A fatal error has occurred. Aborting.
Error: no valid storage adapters found.
Stack Trace:
e@https://v6p9d9t4.ssl.hwcdn.net/html/1934687/index.html:450:8529
@https://v6p9d9t4.ssl.hwcdn.net/html/1934687/index.html:456:24122
e@https://v6p9d9t4.ssl.hwcdn.net/html/1934687/index.html:59:29453
l/https://v6p9d9t4.ssl.hwcdn.net/html/1934687/index.html:59:29755