30900: Campaign rejection - The campaign use case is ineligible for registration.

The campaign use case provided as part of registration request is ineligible for registration.

Reasons for this failure can be:

• Provided use case is not supported yet.
• Campaign use case not supported by one of the carriers.
• The brand is not qualified to run campaign of provide use case for one of the carriers.
• The brand with use case campaign is not within sub-usecase bounds.

Try to select another use case for campaign registration that reflects your A2P Messaging use case with Twilio, or reach out to support with campaign details for resolution.