phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ac4f262c3ab1165f0c4c1bf747b2f440' 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 ('ac4f262c3ab1165f0c4c1bf747b2f440', -1, 1715282476, 1715282476, '12d9dc72', -8, 0, 0)

Line : 187
File : sessions.php