LittleBigPlanet 3 Servers Are Officially Shut Down 'Indefinitely,' Sony Confirms - IGN
https://www.ign.com/articles/littlebigplanet-3-servers-are-officially-shut-down-indefinitely-sony-confirms
Sony has confirmed that LittleBigPlanet 3 servers on PlayStation 4 will remain offline “indefinitely” following troubles with the service from earlier this year.
RIP. I hope the levels were backed up.