---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/33102#article
headline: "33102: Parameter missing"
url: https://www.twilio.com/docs/api/errors/33102
inLanguage: en
dateModified: 2026-03-11T20:01:16.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 33102: Parameter missing

Log Type: APPLICATION

Log Level: ERROR

## Description

Raised whenever a required parameter was not passed with the request. The error object's detail field will indicate which parameter was not provided.

### Possible causes

* While sending a Command, you did not indicate the `Sim` to send it to.
* While transferring a SIM to another Account, you need to provide a new Rate Plan present in the target Account or remove the current Rate Plan if the SIM to move is currently assigned to a Rate Plan.
* While transferring a SIM to another Account, you cannot transfer a SIM in status `ready`.

### Possible solutions

* While sending a Command, ensure `Sim` parameter is provided.
* While transferring a SIM to another Account, ensure a `RatePlan` is provided that present in the target Account.
* While transferring a SIM to another Account, ensure the SIM to transfer is not in status `ready`.