phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('fca4fe6c6e7e5804eab1b2a91bc4817a', -1, 1730446069, 1730446069, '038e7708', -1, 0, 0)

Line : 195
File : sessions.php