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 ('d8adc358d89b7d25b8c5c2d83763ea6a', -1, 1715099733, 1715099733, '12be9c50', 2, 0, 0)

Line : 189
File : sessions.php