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 ('dccec2bd78dec017fa3450b3f37d8e48', -1, 1730428263, 1730428263, '0380c924', -1, 0, 0)

Line : 195
File : sessions.php