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 ('331a583bd35fd94aca6f7ac5b7974929', -1, 1737596097, 1737596097, '1277708f', 6, 0, 0)

Line : 187
File : sessions.php