same happened to me, after run database repair, Some database problems could not be repaired:
wp0u_users: 1 client is using or hasn’t closed the table properly
wp0u_usermeta: 1 client is using or hasn’t closed the table properly
wp0u_posts: 3 clients are using or haven’t closed the table properly
wp0u_comments: 3 clients are using or haven’t closed the table properly
wp0u_options: Table is marked as crashed
wp0u_postmeta: 3 clients are using or haven’t closed the table properly
