[42000][923] Ora00923: From Keyword Not Found Where Expected

ora 923ORA-00923: FROM keyword not found where expected Below is the SQL : SELECT A.Agent_key, Sum(Total_Orders) FROM (SELECT A.Agent_key, Sum(Total_Orders)[42000][923] Ora00923: From Keyword Not Found Where Expected . Ashley December 12, 2025. 3 minutes read . ... ORA-00923: FROM keyword not found where