phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'af5b22078144e88bda0e500c850bb490' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('af5b22078144e88bda0e500c850bb490', -1, 1770145221, 1770145221, 'd849d805', 41, 0, 0)

Line : 187
File : sessions.php