This issue appears in Link Twilio Account wizard while in Select a default Request Type as below

while a new Request type (twilio test) has been created as below

In order to display the created Request type it needs to have a the field summary only as a required field and a description field in order to create the tickets in the project
You can either create a request type dedicated for this integration, or you can double check required fields on your screen and disable the required confirmation as below
It'll be shown in the wizard page as below
