diff --git a/src/components/Bookstr/BookstrContent.tsx b/src/components/Bookstr/BookstrContent.tsx
index 0e71615..ccd737b 100644
--- a/src/components/Bookstr/BookstrContent.tsx
+++ b/src/components/Bookstr/BookstrContent.tsx
@@ -1,4 +1,4 @@
-import { useState, useEffect, useMemo, useRef } from 'react'
+import React, { useState, useEffect, useMemo, useRef } from 'react'
 import { Event } from 'nostr-tools'
 import { parseBookWikilink, extractBookMetadata, BookReference } from '@/lib/bookstr-parser'
 import client from '@/services/client.service'
@@ -677,9 +677,8 @@ export function BookstrContent({ wikilink, className }: BookstrContentProps) {
           }
           
           return (
-            <>
+            <React.Fragment key={sectionIndex}>
             <div 
-              key={sectionIndex} 
               ref={(el) => {
                 if (el) {
                   cardRefs.current.set(sectionIndex, el)
@@ -823,7 +822,7 @@ export function BookstrContent({ wikilink, className }: BookstrContentProps) {
                 />
               </div>
             )}
-            </>
+            </React.Fragment>
           )
         })}
       </div>
diff --git a/src/lib/error-suppression.ts b/src/lib/error-suppression.ts
index c3cc46b..4702eca 100644
--- a/src/lib/error-suppression.ts
+++ b/src/lib/error-suppression.ts
@@ -100,6 +100,19 @@ export function suppressExpectedErrors() {
       return
     }
     
+    // Suppress invalid URL errors (often from empty or malformed relay URLs)
+    if (message.includes('Invalid URL') || 
+        message.includes('Failed to construct \'URL\'') ||
+        (message.includes('wss://') && message.includes('Invalid')) ||
+        (message.includes('ws://') && message.includes('Invalid'))) {
+      return
+    }
+    
+    // Suppress "unrecognised filter item" errors from relays
+    if (message.includes('unrecognised filter item') || message.includes('unrecognized filter item')) {
+      return
+    }
+    
     // Call original console.error for unexpected errors
     originalConsoleError.apply(console, args)
   }