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, session_admin) VALUES ('362dde53f2da824913da6b7a0c02db09', -1, 1713448525, 1713448525, '12bcafb6', -10, 0, 0)

Line : 187
File : sessions.php