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 ('3bd507e1a80c9d177da0dce4c41b7c2c', -1, 1711708761, 1711708761, '23a812d1', 0, 0, 0)

Line : 193
File : sessions.php