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 ('f2513846d5d28cb692732201cb3ed546', -1, 1714051807, 1714051807, '0389ac44', -10, 0)

Line : 158
File : sessions.php