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 ('f6e5d064995ef6fad0430f423f74727b', -1, 1711696984, 1711696984, '54ccfc03', -1, 0, 0)

Line : 187
File : sessions.php