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 ('0bba638947b4257c9e887dce3ff73c16', -1, 1737555147, 1737555147, '12777b9a', -9, 0, 0)

Line : 187
File : sessions.php