Error: Object of class Symfony\Component\Ldap\Entry could not be converted to string

Problem/Motivation

When enabling feeds_log submodule the following error is produced when running a feed that uses Feeds LDAP (foreground and background)

Error: Object of class Symfony\Component\Ldap\Entry could not be converted to string in file_put_contents() (line 506 of /home/mh-sharing/public_html/web/core/lib/Drupal/Core/File/FileSystem.php