So, I update from 2.0.17 to 2.018 and reinstalled mods.
When I used my bookmark to access the forum,
it didn't work.
I had to go to https://gsx1400owners.org/ which defaults to https://gsx1400owners.org/wp and from there click on forum on the menu
Trying to upgrade 2.0.17 to 2.0.18 using the large upgrade package.
I've uploaded the new files and run upgrade.php
It asks me for my admin credentials - and I used my usual admin username and password I use when logging into the forum. It wouldn't let me in.
So I followed the instructions and edited