diff --git a/photo-gallery-app/backend/scripts/reprocess_uploads.js b/photo-gallery-app/backend/scripts/reprocess_uploads.js
index 089020e..2b785ad 100644
--- a/photo-gallery-app/backend/scripts/reprocess_uploads.js
+++ b/photo-gallery-app/backend/scripts/reprocess_uploads.js
@@ -131,7 +131,12 @@ async function processDoc(doc) {
     const candidates = sourceCandidates(doc);
     const sourceFile = await findExistingFile(candidates);
     if (!sourceFile) {
-        return { status: 'missing-source', docId: doc._id, base: parseBaseName(doc) };
+        return {
+            status: 'missing-source',
+            docId: doc._id,
+            base: parseBaseName(doc),
+            candidates
+        };
     }
 
     const inputBuffer = await fsPromises.readFile(sourceFile);
@@ -162,11 +167,15 @@ async function main() {
     console.log(`Found ${docs.length} photo docs. APPLY=${APPLY ? 'yes' : 'no (dry run)'}`);
 
     const results = { processed: 0, missing: 0 };
+    const missing = [];
     for (const doc of docs) {
         try {
             const res = await processDoc(doc);
             if (res.status === 'processed') results.processed++;
-            else results.missing++;
+            else {
+                results.missing++;
+                missing.push(res);
+            }
         } catch (err) {
             console.error(`Error processing doc ${doc._id}:`, err.message || err);
             results.missing++;
@@ -174,6 +183,13 @@ async function main() {
     }
 
     console.log(`Done. Processed: ${results.processed}. Skipped (no source/errors): ${results.missing}.`);
+    if (missing.length) {
+        const sample = missing.slice(0, 5);
+        console.log('Missing source examples (up to 5):');
+        for (const item of sample) {
+            console.log(`- doc ${item.docId} base "${item.base}" candidates: ${item.candidates.join(', ')}`);
+        }
+    }
     await mongoose.disconnect();
 }