phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '65a22dbf9e8bad4a2ab5a1d60a3b7cf8' for key 1

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('65a22dbf9e8bad4a2ab5a1d60a3b7cf8', -1, 1472082947, 1472082947, '3650b208', -1, 0, 0)

Line : 187
File : sessions.php