New freePBX 17 install script installed PBXact not FreePBX

Ok, so I had a crack at deactivating the system to try and then reactivate the system as per this thread:

But now I get this error:

Activation Error!

Unable to display activation page. Error returned was:

OpenSSL/3.0.16: error:0A00018A:SSL routines::dh key too small

So now I am really stuck.

Any advice on how to fix this?