phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('2806968d1d93cb31d579c116281c43cb', -1, 1715081914, 1715081914, '0390681d', 3, 0, 0)

Line : 189
File : sessions.php