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 ('758ce95d1fd1767b63f8d7f968bef488', -1, 1749312028, 1749312028, 'd849d82c', 3, 0, 0)

Line : 190
File : sessions.php