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 ('5660d1136a6c6d2c67843e14a98bc5ab', -1, 1715313527, 1715313527, '038cbaf1', -11, 0, 0)

Line : 189
File : sessions.php