phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9855f5a1104e8c2474c8e4bf9b07b97e' 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 ('9855f5a1104e8c2474c8e4bf9b07b97e', -1, 1714360960, 1714360960, '00000000', 8, 0, 0)

Line : 187
File : sessions.php