phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('4c56392f0e78866f8b9c5625d586f107', -1, 1711648906, 1711648906, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php