diff --git a/ConversationsClassic/AppCore/Files/FileProcessing.swift b/ConversationsClassic/AppCore/Files/FileProcessing.swift
index 226ac60..582682f 100644
--- a/ConversationsClassic/AppCore/Files/FileProcessing.swift
+++ b/ConversationsClassic/AppCore/Files/FileProcessing.swift
@@ -28,14 +28,24 @@ final class FileProcessing {
         // create thumbnail if not exists
         switch localName.attachmentType {
         case .image:
-            guard let image = UIImage(contentsOfFile: localUrl.path) else { return nil }
+            guard let image = UIImage(contentsOfFile: localUrl.path) else {
+                print("FileProcessing: Error loading image: \(localUrl)")
+                return nil
+            }
             let targetSize = CGSize(width: Const.attachmentPreviewSize, height: Const.attachmentPreviewSize)
-            guard let thumbnail = scaleAndCropImage(image, targetSize) else { return nil }
-            guard let data = thumbnail.pngData() else { return nil }
+            guard let thumbnail = scaleAndCropImage(image, targetSize) else {
+                print("FileProcessing: Error scaling image: \(localUrl)")
+                return nil
+            }
+            guard let data = thumbnail.pngData() else {
+                print("FileProcessing: Error converting thumbnail of \(localUrl) to data")
+                return nil
+            }
             do {
                 try data.write(to: thumbnailUrl)
                 return thumbnailFileName
             } catch {
+                print("FileProcessing: Error writing thumbnail: \(error)")
                 return nil
             }