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 ('65a8c1c92c0e6c3782a9493eb69637b8', -1, 1715113934, 1715113934, '12dda5f6', -8, 0, 0)

Line : 189
File : sessions.php