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 ('96a1df0af7ce276ad44ac949fb4c49d9', -1, 1737627837, 1737627837, '0389aa26', 3, 0, 0)

Line : 187
File : sessions.php