Проблема с CFile::ResizeImageGet

<?php            
   $file = CFile::ResizeImageGet(                    
          $arItem['PREVIEW_PICTURE'],                     
          ['width' => 100, 'height' => 100],                
          BX_RESIZE_IMAGE_EXACT,                     
          true                     );            
  $arItem['PREVIEW_PICTURE']['SRC'] = $file['src']; 
  print_r($file);        
?> 

Array
(
    [src] => /upload/resize_cache/iblock/a58/100_100_2/a58518f8cab0615c967f2599e3f9e984.jpg
    [width] => 600
    [height] => 400
    [size] => 207741
)
Array(
    [src] => /upload/resize_cache/iblock/aad/100_100_2/aad6e1ffb9777ac6084d982d659a618d.png
    [width] => 600
    [height] => 400
    [size] => 451654
)