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 ('a5eb7627bad63cac20ecd968f2d89501', -1, 1714403387, 1714403387, '03836ea9', -11, 0)

Line : 158
File : sessions.php