phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c9aadf4fdb341c8a7018a16b702ef04a' 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) VALUES ('c9aadf4fdb341c8a7018a16b702ef04a', -1, 1714607608, 1714607608, '12bdb44c', -10, 0, 0)

Line : 187
File : sessions.php