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 ('ccf52b406b32e39d455c0f226fbae2eb', -1, 1730438586, 1730438586, '03114a94', -1, 0, 0)

Line : 195
File : sessions.php