I has doing the new tutorial and in this exercice when a search for the table aavehicle it does not existe and were are the car images aviable to import to my enviroment.
I dont know if i am the only one with this problem, if can help.
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You can request a new site, please check the below link. You need to shut down your site first.
Releasing your Appian Community Edition and Getting a New Site
"If your site’s status is Inactive, you can alternatively use the Get New Site action. This action discards your previous instance and provides you with a fresh Appian Community Edition. This will take about 5 minutes. Please note that there is no way to recover a discarded site's data or applications."
ok gone restart my site