phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c12fa16245579a06befc0ad44a0c8f75' 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 ('c12fa16245579a06befc0ad44a0c8f75', -1, 1724599166, 1724599166, '03900487', 9, 0, 0)

Line : 187
File : sessions.php