Issue: Upgrade script will not go to automatic

Same for the import script.

Automatic requires Javascript. Are there Javascript error messages? I seem to recall that you have 2 servers, and you tend to need to upload Javascript files to both for some reason.

My site is on http, so mixed content is blocked.
I have sent you the console log. There doesn't seem to be an end to the next batches of import wiki pages. Causing CTS to flare up.

I needed to set base url and force https.
Please add this to the import instructions.

The real issue is why the base URL was not automatically filled. Is the value for Options > Site Name / URL / Contact Details > Forum URL also blank?

i have no such option path.
Are you referring to Vaultwiki: Site Config?

It's a stock vBulletin option. I have it on my 3.8.9 dev board. If the option is missing on yours, your vBulletin installation might be damaged.

Duh! I was looking for a VW option. The vb field is filled.

I reinstalled VaultWiki on the affected site and have been unable to reproduce this issue.

My only thought is that you were using a datastore cache like Xcache and you did not specify a unique datastore prefix for your test board that was different from your live board. You mentioned something like this over here: https://www.vaultwiki.org/issues/4417/
It is possible that between changing things on your live board vs your test board, some of the setting values on the test board that did not exist on the live board (such as VaultWiki-4 settings) were overwritten with empty values by the live board.

Unfortunately a cache prefix collision is not a situation that VaultWiki can detect. It is the forum administrator's responsibility to ensure that server-side caches are configured properly.

I will remove caching from the dev site. Very recently a new Litespeed cache function was added to the server

I have a problem here - broken upgrade to the current. Had to go manual, now it's stuck here in Step 7. (I think it is from 4.0.5)

Upgrading to 4.0.6
Step 7

Updating data in table: vw_feed
An exception occurred: Database Error: SELECT feedid,icondata FROM `vw_feed` ORDER BY feedid ASC LIMIT 0,500 Mysqli prepare error: Unknown column 'icondata' in 'field list' in /home/mysite/public_html/vault/core/controller/db/xf.php on line 171
vw_DB_Controller_XF->throw_error() in vault/core/controller/db/xf.php at line 185
vw_DB_Controller_XF->query_read() in vault/core/model/db/mysql/vw.php at line 29
vw_DB_MySQL_Model->select() in vault/core/controller/install/upgradepath/steps/4/0/6/base/vw.php at line 356
vw_Install_UpgradePath_Steps_406_base_Controller->{closure}() in vault/core/controller/install/upgradepath/vw.php at line 63
vw_Install_UpgradePath_Controller->call() in vault/core/controller/cp/install/vw.php at line 361
vw_CP_Install_Controller->exec_step() in vault/core/controller/cp/install/vw.php at line 326
vw_CP_Install_Controller->upgrade_type() in vault/core/controller/cp/install/vw.php at line 263
vw_CP_Install_Controller->upgrade() in vault/core/controller/cp/install/vw.php at line 59
vw_CP_Install_Controller->execute() in library/vw/XenForo/ControllerAdmin/Wiki.php at line 113
vw_XenForo_ControllerAdmin_Wiki->actionIndex() in library/vw/XenForo/ControllerAdmin/Wiki.php at line 170
vw_XenForo_ControllerAdmin_Wiki->actionUpgrade() in library/XenForo/FrontController.php at line 351
XenForo_FrontController->dispatch() in library/XenForo/FrontController.php at line 134
XenForo_FrontController->run() in admin.php at line 13

Not sure if related but it looks pretty severe and wonder if there is a concern here relating to upgrades. Not sure if Alfa worked it out.