---
page_type: error
code: 30906
message: "30906: Campaign Rejected by Twilio"
level: ERROR
product: Programmable Messaging
---

## Description

Messaging Service could not be attached to the Campaign because Twilio's DCA declined the Campaign due to compliance violations.

### Possible Causes

- Twilio identified compliance violations during the review process. The specific reason for rejection is provided in the CAMPAIGN\_SHARE\_DELETE webhook from TCR.

### Possible Solutions

- Revise the Campaign details to address the compliance issues and re-share the Campaign with Twilio's DCA for another review.
- For further clarification and resolution, contact Twilio Customer Support.

Additional help resources

- [A2P 10DLC campaign approval best practices](https://support.twilio.com/hc/en-us/articles/11847054539547-A2P-10DLC-Campaign-Approval-Best-Practices)
- [Changes to Externally Registered Campaign Submission](https://support.twilio.com/hc/en-us/articles/13097615242395-Changes-to-Externally-Registered-Campaign-Submission)