YESS YESS YESS… NOW I HAVE DONE IT.
I DROPPED ALL TABLES AND REEINSTALLED, BUT WP CONTINUED SAVING THE TITLE AND NOT SAVING THE ARTICLES (THE LAST USES THE RICH EDITOR, DID YOU NOTICE THAT?).
SO I TRIED TO CHECK OUT THE FORMATING OPTIONS:
MENU / OPTIONS
– SEE FORMATING
– REMOVE THE CHECK FOR: Users should use the visual rich editor by default
SIMPLE.