phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '856fc207fa5c979b3f64798cece4e707' 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 ('856fc207fa5c979b3f64798cece4e707', -1, 1714989445, 1714989445, 'c0a80201', -4, 0, 0)

Line : 187
File : sessions.php