The same thing keeps happening to me. Usually, it was enough if you just log out and then log in, but now the loot just disappears after you log back in.
Warning: mysqli_query(): (HY000/3): Error writing file '/tmp/MYfd=1191' (OS errno 28 - No space left on device) in /home/ubuntu/tipsi/public/wp-includes/class-wpdb.php on line 2357
( ° ^ ° )/
The same thing keeps happening to me. Usually, it was enough if you just log out and then log in, but now the loot just disappears after you log back in.