Failed Nonce Security

Hi. I am using the WooCommerce Social Plugin. It has been working without issue until recently. Now, I get “Failed Nonce Security!” error when after submitting my user name and pw for google.

I did some research and it seems as if it has to do with caching. I disabled Purge Varnish, WP Super Cache, and SSL insecure content fixer thinking one of those may be caching incorrectly. My issue still persisted. I tried in incognito and private browser sessions in a variety of browsers. It still doesn’t work.

I noticed people who make new accounts can get in via social. I tried to unlink my social and lo and behold, it worked. But then when I tried a second time, it didn’t work.

I’m hosting via Digital Ocean on a One-Click WordPress image. I don’t THINK there are any caching programs on the server, but it is certainly possible.

Any ideas? The URL is MicroCurator.com.

Any help would be greatly appreciated!

Jake