Autoblog does not import a featured image

I’m importing my posts from one of my sites to another, but the featured images add-on isn’t importing the images, after trying to fix using this forum URL https://premium.wpmudev.org/forums/topic/autoblog-no-featured-images-imported-by-autoblog my site stated to return

Problem communicating with WP_CRON: cURL error 28: Operation timed out after 5001 milliseconds with 0 bytes received

Can you help me?