phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ff4a2be3bbef898f479c89bd59ab635b' 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 ('ff4a2be3bbef898f479c89bd59ab635b', -1, 1714278785, 1714278785, '12dec88f', -11, 0, 0)

Line : 187
File : sessions.php