phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'fa4130dabf0e9d265355b6ff6f4dd9c4' 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 ('fa4130dabf0e9d265355b6ff6f4dd9c4', -1, 1767393771, 1767393771, 'd849d819', 2, 0, 0)

Line : 187
File : sessions.php