phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1ac84a8f2a27c4b120cfe8de60384f81' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('1ac84a8f2a27c4b120cfe8de60384f81', -1, 1715240414, 1715240414, '1276020f', 2, 0, 0)

Line : 187
File : sessions.php