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) VALUES ('cd9c8f54bf87c4b9565e1ffb07500361', -1, 1713945540, 1713945540, '12de7dab', -10, 0)

Line : 158
File : sessions.php