无效的主机/绑定变量名

745: 无效的主机/绑定变量名 ### The error may involve -Inline ### The error occurred while setting parameters ### SQL: 
insert into et_exam_paper (id,name,content,duration,pass_point,total_point,status,summary,is_visible,answer_sheet,group_id, is_subjective,creator,paper_type,field_id) 
values (?, ?, ? ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ? ) ### Cause: java.sql.SQLException: ORA-01745: 无效的主机/绑定变量名 ; bad SQL grammar []; nested exception is java.sql.SQLException: ORA-01745: 无效的主机/绑定变量名

原因，sql语句中，两个填充变量间没有写逗号