Error Occured:

Error # -2147217865 [Microsoft][ODBC Microsoft Access Driver] The Microsoft Jet database engine cannot find the input table or query '_tbl_Listing'. Make sure it exists and that its name is spelled correctly.
SQL = Select CategoryID,txtName,(select Count(ListingID) from _tbl_Listing L where nStatus = 1 and (L.CategoryID = C.CategoryID or L.SubCategoryID = C.CategoryID or L.ParentCategoryID = C.CategoryID) ) as nListCount from _tbl_Categories C where nStatus = 1 and ParentID= 0 ORDER BY txtName ASC