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 ('c87128b68f6f254e371a130f585c6801', -1, 1752781926, 1752781926, 'd849d895', -4, 0, 0)

Line : 189
File : sessions.php