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) VALUES ('54f626ee9cc3d6aa7c5bd00316c4cc51', -1, 1714376357, 1714376357, '038d1886', -9, 0)

Line : 158
File : sessions.php