Истек тайм-аут выполнения. Время ожидания истекло до завершения операции или сервер не отвечает.

Error Message :An error occurred while executing the command definition. See the inner exception for details.Execution Timeout Expired.  The timeout period elapsed prior to completion of the operation or the server is not responding.

var checkit1 = (from pm in db.productmasters.AsNoTracking()
                                       join pimg in db.ProductImages.AsNoTracking()
                                       on pm.PID equals pimg.PID
                                       join sb in db.SubCategoryMasters.AsNoTracking()
                                        on pm.SUBID equals sb.SUBID
                                       where (
                                        pm.CID == i &&
                                             pm.Isdeleted == "NO" &&
                                             pimg.IsDeleted == "NO" &&
                                             pimg.FIMG == "YES" &&
                                             (
                                             pm.Descr.Contains(spara) || pm.Descr.StartsWith(spara) || pm.Descr.EndsWith(spara) || pm.Brand.Contains(spara) || pm.Brand.StartsWith(spara) || pm.Brand.EndsWith(spara) || pm.Class.Contains(spara) || sb.SubCategoryName.StartsWith(spara) || sb.SubCategoryName.EndsWith(spara) || sb.SubCategoryName.Contains(spara) || pm.productname.Contains(spara) || pm.productname.StartsWith(spara) || pm.productname.EndsWith(spara) ))
                                       orderby pm.PID descending
                                       select new CDBookModel
                                       {
                                           FIMG = pimg.FIMG,
                                           BRAND = pm.Brand,
                                           CID = (int)pm.CID,
                                           CLASS = pm.Class,
                                           DESCR = pm.Descr,
                                           ID = (int)pimg.ID,
                                           NAME = pimg.Name,
                                           PID = (int)pm.PID,
                                           PRICE = pm.Price,
                                           PRODUCTNAME = pm.productname
                                       })
                               .Distinct().ToList();
                       ViewBag.GetSearchData = checkit1;

Error Message :An error occurred while executing the command definition. See the inner exception for details