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 ('c5974739597a21830262d6a0b2735d97', -1, 1737422890, 1737422890, '126109a9', -4, 0, 0)

Line : 187
File : sessions.php