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 ('7d8f523a9755676bf6a62dc6039a3d0e', -1, 1737441746, 1737441746, '031765f1', -9, 0, 0)

Line : 187
File : sessions.php