From 124f4145b0657901eed81c36c00474bfd869282c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pedro=20Mar=C3=ADn=20Campa=C3=B1a?=
 <p.marin@parlamento-and.es>
Date: Tue, 24 Aug 2021 12:18:40 +0200
Subject: [PATCH] Fixing issue #68

---
 docxcompose/composer.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/docxcompose/composer.py b/docxcompose/composer.py
index 7b13fae..8ae6245 100644
--- a/docxcompose/composer.py
+++ b/docxcompose/composer.py
@@ -329,7 +329,11 @@ def add_numberings(self, doc, element):
 
         next_num_id, next_anum_id = self._next_numbering_ids()
 
-        src_numbering_part = doc.part.numbering_part
+        # Fixing Issue #68
+        try:
+            src_numbering_part = doc.part.numbering_part
+        except NotImplementedError:
+            return
 
         for num_id in num_ids:
             if num_id in self.num_id_mapping: