phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9bf1978e0ca7460d34b82d020d726783' 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 ('9bf1978e0ca7460d34b82d020d726783', -1, 1714907841, 1714907841, 'c0a80201', -10, 0, 0)

Line : 187
File : sessions.php