I'm not sure where it began, or what might have caused it, but today I noticed that my archive page is cut off:
I'm using the Smart Archives plugin:
Also, I can't export my database with phpMyAdmin anymore. Everytime I do it I would get a blank file. I can still do manual mysqldump but that's a hassle. And WordPress Database Backup doesn't work either:
I think there's something wrong with my database. I've tried deleting old unused tables (from old plugins) and I've repaired and optimized my tables (with Lester's DBManager) and still no luck.