CE-33987-0 Can't login to PSN

[TonyLanx]

My PS4 was working just fine yesterday and last night and today I keep getting this error code.

I opened ports, changed my security, EVERYTHING and nothing works...

HOW CAN I FIX THIS?!

 

[Oberon]

From what Ive read its actually a network time out problem usually at your end.If not then possibly even your ISP.
Suggest check your connections are all working properly.

Also:
If you are connecting via wifi it could also be another wireless device signal interfering.Are you using a Sony wireless headset? This could be causing it too.