I am having 500 internal server error in checkout page in woocommerce. While order for simple product then it\'s work fine, but when use with bookable product then booking o
You may want to check your outgoing Wordpress Mail Services and disable any plugin associated with sending out order completion emails. This is what worked for me. I was sending our order completion mails using Mailster and connected to AmazonSES SMTP. So I disabled the AmazonSES plugin and everything worked fine. I had recently updated the AmazonSES plugin and I am thinking the update broke it.