phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a27c1688d9a2244aa3a7ac64286f9f66' 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 ('a27c1688d9a2244aa3a7ac64286f9f66', -1, 1714777786, 1714777786, '1276020f', -1, 0, 0)

Line : 187
File : sessions.php