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 ('28f8c6f82e96f17aa684d5f23abf5501', -1, 1714369453, 1714369453, '0395fa01', -10, 0)

Line : 158
File : sessions.php