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 ('e5a8e8b1b9e67559916b375bec6f3f89', -1, 1714315506, 1714315506, '038e7cfc', -10, 0)

Line : 158
File : sessions.php