phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a9f18c47b1cb67797ec23f9c52d937bc' 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 ('a9f18c47b1cb67797ec23f9c52d937bc', -1, 1752439802, 1752439802, '126109ae', -8, 0, 0)

Line : 189
File : sessions.php