server/AyaNova/biz/UnitModelBiz.cs

@@ -138,18 +138,7 @@ namespace AyaNova.Biz
                 else
                     AddError(ApiErrorCode.CONCURRENCY_CONFLICT);
                 return null;
-            }
-            catch (Microsoft.EntityFrameworkCore.DbUpdateException ex)
-            {
-                if (ex.InnerException != null && ex.InnerException.Message.Contains("unq_unitmodelnumbervendorid"))
-                {
-                    AddError(ApiErrorCode.VALIDATION_NOT_UNIQUE, "number", "Model number plus VendorId combination must be unique");
-                    return null;
-                }
-
-                throw;
-
-            }
+            }        
             await EventLogProcessor.LogEventToDatabaseAsync(new Event(UserId, dbObject.Id, BizType, AyaEvent.Modified), ct);
             await SearchIndexAsync(putObject, false);
             await TagBiz.ProcessUpdateTagsInRepositoryAsync(ct, putObject.Tags, dbObject.Tags);