From 7b582fd6a63e9fc62afbbcde2fc54192c199f04f Mon Sep 17 00:00:00 2001
From: cooldome <cdome@bk.ru>
Date: Wed, 8 Apr 2020 18:51:23 +0100
Subject: [PATCH] fixes #13863 (#13929)

Co-authored-by: cooldome <ariabushenko@bk.ru>
---
 lib/pure/marshal.nim | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/pure/marshal.nim b/lib/pure/marshal.nim
index cf262b5f0..daf313b5c 100644
--- a/lib/pure/marshal.nim
+++ b/lib/pure/marshal.nim
@@ -50,6 +50,11 @@
 ## * `streams module <streams.html>`_
 ## * `json module <json.html>`_
 
+when defined(nimV2):
+  {.error: """marshal module is not supported in new runtime.
+Please use alternative packages for serialization. 
+It is possible to reimplement this module using generics and type traits. 
+Please contribute new implementation.""".}
 
 import streams, typeinfo, json, intsets, tables, unicode