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 ('1345f20e24dd4bdeb8588664840b5f65', -1, 1743731568, 1743731568, '12de0a91', 13, 0)

Line : 158
File : sessions.php