I have just upgraded my wordpress blog and receiving this error message on top of the blog:
WordPress database error: [Can’t open file: ‘wp_bas_log.MYI’ (errno: 145)]
This error arise at the time when we have upgrade the version of wordpress and database is not upgraded. At the time we need to upgrade the database for the wordpress too…
If this will not resolve the issue then either repoir the database or restore it from the available backup. I have done the same..I have repoired the database which has fixed the issue.