Yes, this isn’t resolved and is obviously more common than WooCommerce would like to think. As soon as I get the opportunity I will start a new topic as requested by support, even though we clearly having the same issue. I suggest others do the same. We are having it appear across multiple WordPress/WooCommerce installations so the more this issue is publicized the more attention resolving it will get.
We have upgraded to v7.8.2 and already had all the PHP modules mentioned installed anyway. Increasing the memory limit to 512MB did show a slight improvement but we are still seeing the missing attribute error continually and regular 503 service unavailable errors as well. We have even tried upgrading our hosting service but the issues still appear on each installation.
