Revert "Revert "Реализована страница 404 ошибки""

This reverts commit 22f80576bd.

lib/data/SkinItem.go

@@ -31,6 +31,8 @@ func FindRecord(username string) (SkinItem, error) {
 		if (decodeErr != nil) {
 			log.Println("Cannot decode record data")
 		}
+	} else {
+		log.Println("Error on request user data")
 	}
 
 	return record, err