diff --git a/apps/api/src/scraper/WebScraper/utils/blocklist.ts b/apps/api/src/scraper/WebScraper/utils/blocklist.ts
index 0bdf9876..fd3c9ad1 100644
--- a/apps/api/src/scraper/WebScraper/utils/blocklist.ts
+++ b/apps/api/src/scraper/WebScraper/utils/blocklist.ts
@@ -15,6 +15,7 @@ const socialMediaBlocklist = [
   'whatsapp.com',
   'wechat.com',
   'telegram.org',
+  'researchhub.com'
 ];
 
 const allowedKeywords = [
diff --git a/apps/api/src/services/queue-worker.ts b/apps/api/src/services/queue-worker.ts
index c15201be..890e6e7b 100644
--- a/apps/api/src/services/queue-worker.ts
+++ b/apps/api/src/services/queue-worker.ts
@@ -173,9 +173,14 @@ async function processJob(job: Job, token: string) {
       if (!job.data.sitemapped) {
         if (!sc.cancelled) {
           const crawler = crawlToCrawler(job.data.crawl_id, sc);
-
-          const links = crawler.filterLinks((data.docs[0].linksOnPage ?? [])
-            .map(href => crawler.filterURL(href.trim(), sc.originUrl))
+          let linksOnPage = [];
+          try{
+            linksOnPage = data.docs[0]?.linksOnPage ?? [];
+          }catch(e){
+            linksOnPage = []
+          }
+          const links = crawler.filterLinks(
+            linksOnPage.map(href => crawler.filterURL(href.trim(), sc.originUrl))
             .filter(x => x !== null),
             Infinity,
             sc.crawlerOptions?.maxDepth ?? 10