Cloudflare version 4.9.1 Contact Form 7 version 5.5.6.1 Disable User Login version 1.0.0 Email Address Encoder version 1.0.22 GS Logo Slider Lite ...

We can close this one down now. I'm thinking its an issue with a particular user.

I am not seeing any errors.  Screenshot-2020-12-21-091625.png