A Database Error Occurred

Error Number: 1146

Table 'new_gsdtfx2014.Lecturer' doesn't exist

select a.Id,a.Title,a.Content,a.Cover,date_format(a.CreateDate,'%m-%d') as Cdate, (select count(1) from AllComment c where c.ArticleId=a.Id and c.ArticleType=12) as Cmt,a.Good,b.Name,a.LessonCount,a.Price from LessonPrevue a join Lecturer b on a.LecturerId=b.Id where a.Id=3

Filename: /storage/web/new.gsdtfx.com/controllers/lessonprevue.php

Line Number: 61