phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'dc9b7d8f0b1151055f3f768b2e286b05' 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 ('dc9b7d8f0b1151055f3f768b2e286b05', -1, 1715741056, 1715741056, '03898ab8', -1, 0, 0)

Line : 187
File : sessions.php