phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9754e0aceea2b9c0475dd19b7e1d9ac2' 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 ('9754e0aceea2b9c0475dd19b7e1d9ac2', -1, 1769842660, 1769842660, 'd849d80d', -4, 0, 0)

Line : 187
File : sessions.php