how to fix the np 31730 4 error on ps4|TikTok Search
All PS4 Error Codes [SOLVED 2023] - eXputer.com
How to Fix Can't Sign into PS4 Account (Error Code NP-31730-4) - YouTube
Eduard on Twitter: "@AskPlayStation This morning I am still getting the error code NP-31730-4 while trying to log into Fortnite. Is this an epic games issue or a Playstation issue?" / Twitter