phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('85a9e3beb6d20b1854f115b6d745f61f', -1, 1714290714, 1714290714, '038e7cfc', 0, 0)

Line : 158
File : sessions.php