From 090a87e1385535bfff70682d67c9b72b2d18f6b1 Mon Sep 17 00:00:00 2001
From: Joshua Ramon Enslin <joshua@museum-digital.de>
Date: Tue, 16 Jun 2026 11:52:57 +0200
Subject: [PATCH] Allow handling Wikidata imports without sitelink elements in
 API response

---
 src/NodaWikidataFetcher.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/NodaWikidataFetcher.php b/src/NodaWikidataFetcher.php
index 3b05eeb..c1e4b90 100644
--- a/src/NodaWikidataFetcher.php
+++ b/src/NodaWikidataFetcher.php
@@ -535,7 +535,10 @@ final class NodaWikidataFetcher {
 
             if (!empty($data['sitelinks'][$lang . 'wiki'])) {
 
-                $wikilink = $data['sitelinks'][$lang . 'wiki']['url'];
+                if (empty($data['sitelinks'][$lang . 'wiki']['url'])) {
+                    $wikilink = '';
+                }
+                else $wikilink = $data['sitelinks'][$lang . 'wiki']['url'];
                 $wikilinkterm = str_replace(' ', '_', $data['sitelinks'][$lang . 'wiki']['title']);
 
                 if (isset($wikilink)) {