FreeToastHost System Warning: unable to create / renew a HTTPS certificate

OrangeOrators.org is getting the same message on 6/4. Our domain is still valid (I checked). Perhaps we just need the cert generation rerun like for the below? Thanks in advance for help.
Nelson Orange Orators Toastmasters 1027292

This message is not about your domain validity, just the SSL certificate which FTH needs to update regularly for users with custom domains.
If the certificate fails it is likely to succeed in the next run, as yours has - it is now good for another 3 months:
Cert Expiration Date/Time: Fri Sep 9 07:06:46 2022 UTC