phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1fdec9a890b7edc876ce0c3d376d9849' 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 ('1fdec9a890b7edc876ce0c3d376d9849', -1, 1754869566, 1754869566, 'd849d80a', -201, 0, 0)

Line : 187
File : sessions.php