Why is my ps3 gettin account management errors?

whenever i go to account management it says an error occured. it also says that the playstation store is unavailable in my region when i live in the united states not to mention i just downloaded some demos a couple days ago. how do i fix this???????|||PSN is down as of now, because theres going to be a new firmware update tomorrow.|||PSN is down for maintenance|||That's because PSN is down temporarily while they "preform mantainence".