https://lol.gamepedia.com/api.php?action=help&modules=pfautocomplete
Example #2 links to https://lol.gamepedia.com/api.php?action=pfautocomplete&substr=te&property=Has_author
which generates an internal server error since SMW is not installed. It would be better to more gracefully handle this (or not show the example if SMW is not installed)
[4c49d41610fa9b005fc9e91c] /api.php?action=pfautocomplete&substr=te&property=Has_author Error from line 198 of /home/hydra/public_html/extensions/PageForms/includes/PF_AutocompleteAPI.php: Class 'SMWPropertyValue' not found
Backtrace:
#0 /home/hydra/public_html/extensions/PageForms/includes/PF_AutocompleteAPI.php(53): PFAutocompleteAPI::getAllValuesForProperty(string, string)
#1 /home/hydra/public_html/includes/api/ApiMain.php(1579): PFAutocompleteAPI->execute()
#2 /home/hydra/public_html/includes/api/ApiMain.php(535): ApiMain->executeAction()
#3 /home/hydra/public_html/includes/api/ApiMain.php(506): ApiMain->executeActionWithErrorHandling()
#4 /home/hydra/public_html/api.php(94): ApiMain->execute()
#5 {main}