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 ('39f4a8f0d43066fe2db7e6bba61b97af', -1, 1715168560, 1715168560, '12dd0dad', -10, 0, 0)

Line : 189
File : sessions.php