“the connection to spotify was lost”

for the last few days, anytime I try to play any song from Spotify in my Sonos speaker, I get the error “unable to play {song title} - the connection to Spotify was lost”. I have seen other posts about this error message, but they seem to mostly either be attributed to a local network issue or a temporary outrage. I am fairly confident that this is not attributable to a local network issue, because the problem is consistent on Spotify but does not happen for other streaming services. It also does not seem to be a temporary outage since this has been going on for several days now.

The issue is isolated to one of the two speakers in my Sonos system.

What else could cause this? I’ve tried disconnecting and reconnecting the Shopify account to no avail, and don’t know what to try next.