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 ('48d7d2527514da504692c413a536cd54', -1, 1730421260, 1730421260, '038e8593', -1280, 0, 0)

Line : 195
File : sessions.php