phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b8b913d8f064d5ff9c7fe83ed62cc427', -1, 1717425713, 1717425713, '0391b173', -4, 0, 0)

Line : 187
File : sessions.php