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 ('787d0f43cf9b5b1f9cb5a3eabf447ddd', -1, 1711696985, 1711696985, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php