Thank you for your reply.
Below is the report I get when I enable both J! System Debug and Fabrik Debug. However, when I refresh the browser, the requested data is displayed without error. I also notice that when I refresh the browser, the date range displays as follows: 10/01/2023 00:00:00 - 11/01/2023 00:00:00 - It also displays in English and then in Italian.
0 stripslashes(): Argument #1 ($string) must be of type string, array given
/home/accademi/public_html/components/com_fabrik/models/element.php:3658
Call stack
# Function Location
1 () JROOT/components/com_fabrik/models/element.php:3658
2 stripslashes() JROOT/components/com_fabrik/models/element.php:3658
3 PlgFabrik_Element->autoCompleteFilter() JROOT/components/com_fabrik/models/element.php:3435
4 PlgFabrik_Element->getFilter() JROOT/components/com_fabrik/models/list-advanced-search.php:126
5 FabrikFEModelAdvancedSearch->getAdvancedSearchElementList() JROOT/components/com_fabrik/models/list-advanced-search.php:72
6 FabrikFEModelAdvancedSearch->opts() JROOT/components/com_fabrik/models/list.php:6695
7 FabrikFEModelList->makeFilters() JROOT/components/com_fabrik/models/list.php:6647
8 FabrikFEModelList->getFilters() JROOT/components/com_fabrik/models/list.php:7246
9 FabrikFEModelList->actionHeading() JROOT/components/com_fabrik/models/list.php:7122
10 FabrikFEModelList->getHeadings() JROOT/components/com_fabrik/views/list/view.base.php:597
11 FabrikViewListBase->display() JROOT/components/com_fabrik/views/list/view.html.php:41
12 FabrikViewList->display() JROOT/components/com_fabrik/controllers/list.php:99
13 FabrikControllerList->display() JROOT/components/com_fabrik/controllers/list.php:181
14 FabrikControllerList->filter() JROOT/libraries/src/MVC/Controller/BaseController.php:702
15 Joomla\CMS\MVC\Controller\BaseController->execute() JROOT/components/com_fabrik/fabrik.php:181
16 require_once() JROOT/libraries/src/Component/ComponentHelper.php:402
17 Joomla\CMS\Component\ComponentHelper::executeComponent() JROOT/libraries/src/Component/ComponentHelper.php:377
18 Joomla\CMS\Component\ComponentHelper::renderComponent() JROOT/libraries/src/Application/SiteApplication.php:194
19 Joomla\CMS\Application\SiteApplication->dispatch() JROOT/libraries/src/Application/SiteApplication.php:233
20 Joomla\CMS\Application\SiteApplication->doExecute() JROOT/libraries/src/Application/CMSApplication.php:225
21 Joomla\CMS\Application\CMSApplication->execute() JROOT/index.php:49