phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b6f22066c4171c3a8d3ed390fcaaff78' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b6f22066c4171c3a8d3ed390fcaaff78', -1, 1768968953, 1768968953, 'd849d8ad', 5, 0, 0)

Line : 187
File : sessions.php