Hello @Chuck,
I am not a member of the support team, but I will try to help you.
Do you still need help?
I saw you are now using Helix Ultimate when i visited your page.
If yes, read bellow:
With the following bugfix for J4 and PHP8 from january, you can switch back to PHP8.
Hope is a template based on Helix3 and has the same problems as the helix3-template itself.
Issue: https://github.com/JoomShaper/Helix3/issues/111
Bugfix: https://github.com/JoomShaper/Helix3/pull/112/commits/079bb8f33d3c39b1c39ebc1d0bdb5f32da3e1a72
After you have applied the bugfix and switched back to PHP8, let me please know, if there are still issues.
If you don't want to change the file "helix3.php" yourself, I can also provide you with a patched file.
In addition to this, do not use a login-module or you will face a other problem.
Here the override of the login module has an error.
Issue: https://github.com/JoomShaper/Helix3/issues/113
possible bugfixes:
If you are also thinking about the usage of the joomla 4 API, you need to update the helix3.php again.
API-Doc: https://docs.joomla.org/J4.x:Joomla_Core_APIs#Get_Single_Article
Issue: https://github.com/JoomShaper/Helix3/issues/114
I hope that I could help you with it already once basically.
I wish you a nice day.