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 ('3bead4aa23cc2f3f22a7b686b0b9a35a', -1, 1737483635, 1737483635, '030c47a6', 9, 0, 0)

Line : 187
File : sessions.php