The request was received but failed due to the Lookup request not being supported by the selected Twilio Region due to data residency requirements. This can happen when a request for an EU or GB phone number is made outside of the IE1 Region. Learn more at Twilio Regions and Using Lookup with Twilio Regions.
- Confirm that the request is selecting the expected Region.
- Confirm that the request is using an API key generated for the expected Region.