[X] My Assistant

I have account-based limits, yet somehow I was unable to open the site due to actions from my IP, even though my account was nowhere near the image cost cap of 25k. What happened?

There's limits to how fast you can load page before a temporary ban kicks in which is seperate to image limits and should be relatively short-lived. It can be triggered if you quickly open multiple tabs. You should also not be affected by other people triggering it if you're on account limits though.

Larger images also count as more views, so if you either downloaded some huge original images or have the 'view original images' perk it's possible you racked up the equivalent bandwidth and didn't have enough spare credits/GP to cover the costs to add a temporary image limit. The figure seems to be 10-40 hits per MB, so 25K may be used in as low as 600MB on old galleries if the generation costs mirrors archives.

Though if you're banned for a reason other than viewing too many images, that probably supercedes any account-level stuff so it's likely that 'serious' IP bans will affect you even if you've got an account. The actual full-on ban message seems to be a straight "You are not permitted". While the others should indicate you're out of GP, or have been requesting pages too fast, or 'bandwidth exceeded'.

Otherwise, clearing your related cookies and doing a fresh login might might help. It's not impossible you just got logged out by an expired cookie (which shouldn't, but does happen).