Please follow the instructions below to fix the update issues on sites hosted by WP Engine
First, you need to update your IWP admin panel to version 220.127.116.11 or above. If you haven't received the update in your admin panel, just run the below URL and send your App Installed Hash to email@example.com so we can push the update manually.
Second, you should have installed Code Snippets addon. If you haven't installed or purchased, please create an account on our website here and contact us with your addon account username.
Check this link for reference to install addons in your admin panel.
Third, you need to upload the attached file to your IWP root folder on the folder path below.
Finally, go to Tools --> Code Snippets --> Select All Websites and run the below snippet.
We are sure that this will fix the update issues with sites installed in WP Engine server. If this doesn’t work or you have more questions, just remember, we’re always an email away.