Respond to CR.

// FREEBIE

Signal/src/Models/TSMessageAdapaters/TSVideoAttachmentAdapter.m

@@ -226,6 +226,8 @@ NS_ASSUME_NONNULL_BEGIN
 
     UIImage *image = self.attachment.image;
     if (!image) {
+        DDLogError(@"%@ Could not load image: %@", [self tag], [self.attachment mediaURL]);
+        OWSAssert(0);
         return nil;
     }
     UIImageView *imageView = [[UIImageView alloc] initWithImage:image];