How do I get the Communications messages in Membership to send?

Hi there,

I have been trying for weeks to figure out why the Communications module in Membership is not sending the messages as expected.

Please could someone log into my wp-admin to check this out.

I am aware of the following related threads, but none of them provide a meaningful response:

https://premium.wpmudev.org/forums/topic/replacing-default-wordpress-your-username-and-password-email (my own thread, to which I've not received any response).

https://premium.wpmudev.org/forums/topic/im-trying-to-figure-out-how-to-send-a-welcome-email-with

https://premium.wpmudev.org/forums/topic/membership-communications-not-on-schedule

https://premium.wpmudev.org/forums/topic/membership-email-in-communications

Please, I am desperate for an answer.