Paypal "400 Bad Request"

[PikachuWarrior]

Your browser sent a request that this server could not understand.
Size of a request header field exceeds server limit.

Anyone get this message? I'm trying to ship a few items out and I all I get is this? I looked it up online and many people are experiencing this the past few weeks, at least.

[Bernie]

It's a site issue.

[ApolloBoy]

Try to clear your browser cache and cookies, that usually fixes it for me.