Error when trying to replace images

Hi there, I’m getting the following error when trying to replace images.

Warning: Invalid argument supplied for foreach() in /home/group/public_html/wp-content/plugins/enable-media-replace/upload.php on line 40

Warning: Cannot modify header information – headers already sent by (output started at /home/group/public_html/wp-content/plugins/enable-media-replace/upload.php:40) in /home/group/public_html/wp-includes/pluggable.php on line 1210