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 ('ab7c46c3f7b4b9204ccd587e1c6101ed', -1, 1747633950, 1747633950, '12e136a7', 30, 0, 0)

Line : 190
File : sessions.php