Overwatch stuck at login screen

[NintenTaco-1652]

I’m trying to play on PS4, and Overwatch says I need PS Plus to play (my membership is active) and then pops up with error code NP-31731-5

All PSN networks are up etc.

Any advice? I’ve restarted console and router several times.
Also, found this:

[PS4] Can't get past the title screen

Since the crossplay update, I haven’t been able to get past the game’s title screen. I press X, and for a moment the game looks as if it’s going to log me in, but it lingers on “Entering game…” for a few seconds before giving me error LC-202. In most attempts, I also get the PS4 error NP-31731-5, and “Unexpected server error occurred” pops up beneath the logo. I’ve restarted the game and console plenty of times, unlinked and relinked my battle.net account, disconnected and reconnected to the in…

Seems like lots of people had this issue after cross play was enabled?