I am using moodle 1.5.4. on LAMP server. all works fine untill I try to backup & restore.
the ZIP file created when backuping is not intact, I tried to open it on the server and on onther computer, the error I get is: "The archive is either in unknown format or damaged"
I tried to backup several courses, I got the same error for all my tries although when backup finished it said the procedure was done successfully.
does anyone have an idea???