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 ('da7aa2e6669d97fbb280f2c4a139cfc2', -1, 1737619571, 1737619571, '039149a7', 64, 0, 0)

Line : 187
File : sessions.php