From 9c9283e0c977c6c7b4308213e6e0f0cab0b6e92c Mon Sep 17 00:00:00 2001
From: kirrg001 <katharina.irrgang@googlemail.com>
Date: Mon, 16 May 2016 20:47:44 +0200
Subject: [PATCH] fix: ensure import works when user id is 0

---
 core/server/data/import/utils.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/core/server/data/import/utils.js b/core/server/data/import/utils.js
index 1debc7edfe..7b5eff7d35 100644
--- a/core/server/data/import/utils.js
+++ b/core/server/data/import/utils.js
@@ -77,6 +77,9 @@ utils = {
                 // if we don't have user data and the id is 1, we assume this means the owner
                 existingUsers[owner.email].importId = userToMap;
                 userMap[userToMap] = existingUsers[owner.email].realId;
+            } else if (userToMap === 0) {
+                // CASE: external context
+                userMap[userToMap] = '0';
             } else {
                 throw new errors.DataImportError(
                     i18n.t('errors.data.import.utils.dataLinkedToUnknownUser', {userToMap: userToMap}), 'user.id', userToMap