---
page_type: error
code: 21624
message: "21624: Invalid validity period value"
level: ERROR
product: Programmable SMS
---

## Description

## Error - 21624

### Invalid validity period value

Validity period can only be set to integers between 1 and 36,000 seconds (10 hours max).

### Possible Causes

A custom ValidityPeriod has been set that is higher than 36000 or lower than 1

### Possible Solutions

Set ValidityPeriod to an integer between 1 and 36,000 seconds (10 hours)