As many are aware, there's been an issue in transferring the old Acaeum indexes to the new format.  It's not a programming issue, but it takes a lot of time to complete, and the specific resources that can accomplish the transfer are limited at the moment.

In the interim, there is a workaround.  The updates are discussed here, along with the old links:

https://www.acaeum.com/front/whatsnew.html

Direct links to old indexes:

Rulebooks & Sets Index
Modules Index
Miscellaneous Index
Periodicals Index
The Rares Index

The modules index and pages are already converted and should be working properly:

https://www.acaeum.com/indexes/modules.html

Feel free to report any potential bugs/issues once the pages are converted.