Issue with Fetching PDF from Uploadthing in the server

 let response;
 let retries = 5;

while (retries > 0) {
   try {
   response = await fetch(`https://utfs.io/f/${fileKey}`);
  if (response.ok) break;
   } catch (error) {
                    console.log(`Fetch failed, retrying... (${3 - retries + 1}/${3})\n\n ${error}`);
                }
 retries--;
if (retries > 0) await new Promise(resolve => setTimeout(resolve, 1000));
     }
if (!response || !response.ok) {
                throw new Error('Failed to fetch PDF after multiple retries');
            }

const blob = await response.blob();

const loader = new PDFLoader(blob);

const pageLevelDocs = await loader.load();

error: Error: fetch failed