Object reference not set to an instance of an object.SELECT N_ID,N_ANHMINHHOA,N_TRICHDAN,N_TIEUDE,N_NGAYTHANG FROM tblNewsDetail where N_NGONNGU=0 AND N_ACTIVE=1 AND N_NGAYTHANG<=#9/8/2025 12:27:33 AM# AND (N_CATID in(0,26) OR ( ',' & TOPIC_ID like '%,26,%') ) ORDER BY N_NGAYTHANG DESC, N_ID DESC