Time : 11:59:56
SQLSTATE[HY000]: General error: 2031 
Raw SQL : DELETE FROM files WHERE user_id IN (?)

Time : 11:18:03
SQLSTATE[HY000]: General error: 2031 
Raw SQL : SELECT id FROM users WHERE 1 AND time_to<=? LIMIT 100

Time : 11:18:02
SQLSTATE[HY000]: General error: 2031 
Raw SQL : SELECT id FROM users WHERE 1 AND time_to<=? LIMIT 100

Time : 11:18:01
SQLSTATE[HY000]: General error: 2031 
Raw SQL : SELECT id FROM users WHERE 1 AND time_to<=? LIMIT 100

Time : 11:13:32
SQLSTATE[HY000]: General error: 2031 
Raw SQL : SELECT id FROM users WHERE 1 AND time_to<=? ORDER BY time_to ASC LIMIT 100

Time : 11:13:31
SQLSTATE[HY000]: General error: 2031 
Raw SQL : SELECT id FROM users WHERE 1 AND time_to<=? ORDER BY time_to ASC LIMIT 100