phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c9d1bf14ac976295af30c64ab65d116d' 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 ('c9d1bf14ac976295af30c64ab65d116d', -1, 1715905781, 1715905781, '12dda14f', 23, 0, 0)

Line : 187
File : sessions.php