I've also found that when this happens in Chrome it also happens in Brave (which is also chromium based). That being said it's not strictly the chromium browser engine that's struggling with this because at the same time a slightly different error crops up in Safari:
"The operation couldn't be completed. No space left on device. (NSPOSIXErrorDomain:28)"
Which tells me it's an operating system issue. I pulled on those threads a little and there were a couple of stray comments about keychains and untrusted CAs, and another suggesting its to do with my internet security provider. I haven't dug into that yet but yeah... thought I'd share.