错误1111

org.springframework.jdbc.UncategorizedSQLException: SqlMapClient operation; uncategorized SQLException for SQL []; SQL state [null]; error code [0];   
--- The error occurred in com/ving/zfcg/persistence/sqlmap/PingFenRec.xml.  
--- The error occurred while preparing the mapped statement for execution.  
--- Check the PingFenRec.insert.  
--- Check the parameter map.  
--- Cause: com.ibatis.common.beans.ProbeException: There is no READABLE property named 'GRADEID' in class 'com.ving.zfcg.vo.PingFenRec'; nested exception is com.ibatis.common.jdbc.exception.NestedSQLException:   
--- The error occurred in com/ving/zfcg/persistence/sqlmap/PingFenRec.xml.  
--- The error occurred while preparing the mapped statement for execution.  
--- Check the PingFenRec.insert.  
--- Check the parameter map.  
--- Cause: com.ibatis.common.beans.ProbeException: There is no READABLE property named 'GRADEID' in class 'com.ving.zfcg.vo.PingFenRec'