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, session_admin) VALUES ('da0a1f4bb6cb7e99cba0e390c5ef07f2', -1, 1714066447, 1714066447, '039368f8', -10, 0, 0)

Line : 187
File : sessions.php