Hi Raysan, Please use the email amsupport@adobe.com to open a ticket
with the AAM support team, once a ticket is opened it will get
assigned.meanwhile as far as I am concerned this issue is with chrome
only, you can try firefox & you will get all the required fields.You can
visit our Launch documentation for more details on
extenstions:https://experienceleague.adobe.com/docs/launch/using/ui/extensions/overview.html?lang=en#extension-catalog
ThanksPrabhat Upadhyay