> ## Documentation Index
> Fetch the complete documentation index at: https://docs.wavix.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Potential SMS flooding attack

## Error description

This error appears when you try to send multiple identical SMS messages to the same phone number.

By default, you can send up to **5 identical** SMS messages or **20 messages with the same Sender ID** to the same destination number within **60 minutes**.

## How to fix it

If you need to remove this limit, contact [support@wavix.com](mailto:support@wavix.com). Include the following details:

* Sender ID
* Destination number
* Date and time you've faced the error