In order for the community to help you with any tech issues you may be having it's always a good idea to make sure your post contains as much information as possible.
You should start with an informative subject line such as - [PS4] - Getting error BF1NH23 when loading into various maps - A bad example of a subject line is - BATTLEFIELD HELP!!!
In your main post you should then include at least the following:
If in doubt, before posting make sure you've gone through this technical issue checklist before submitting your post:
If you have a bug to report you can do so here.
Feedback and general discussion about the game fits best on the forums on Battlefield.com