phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6b6f11a6f92ee70b91b4c92e4c4b2ea0' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin, is_robot) VALUES ('6b6f11a6f92ee70b91b4c92e4c4b2ea0', -1, 1762358811, 1762358811, 'd849d881', 0, 0, 0, '0')

Line : 187
File : sessions.php