I am not too sure whether this is to be classified as a bug but it's caused major problems for me, a Drupal newbie. My requests for help http://drupal.org/node/86073 & http://drupal.org/node/86432 did not get any answers that helped solve it. (I am also not too sure whether this exactly the right place to write this, please excuse me)
This is how I initially descriped the problem at one of those links:
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I am trying to put content on & edit my site for the last 2 - 3 weeks with no problem at all. The other day I was logged in as administrator & at one point, I noticed the changes I was saving were not taking effect!. I logged out but could not log in again, not even with my other alternative user names! Restarting the pc did not help.
Someone here suggested clearing cookies, I did but it did not help and may be this is not the problem because I also cannot log in on several diferent PCs where I know cookies are cleared on shutdown.
Another person suggested checking the database, which however looks intact.
The hosting co. guy of my free account said it could have something to do with my using more databases than I'm allowed after they changed the hosting plan & reduced them. But even after using 4 ot of the 4, now aftere deleting the 5th, still no change.
Actually after getting stuck for too long, I decided to delete drupal & start from scratch hoping the problem would go away. It worked for a while, but then after a few hours stopped saving stuff & after logging out, I cannot log in again & it wont even allow registration.