Error: Loading VFS Index
This error occurs sometimes after an upgrade because the previously installed VFS core didn't get transferred over to the new install correctly.
To resolve this:
Stop Voyager
Navigate to the Index V2 folder located under Voyager Install > Data > IndexV2
Remove the VFS folder located under the IndexV2 folder
Restart Voyager
NOTE: This prompts Voyager to create a new VFS core from scratch. Deleting the previous VFS folder shouldn't delete items from your index.