---
schema_version: "1"
id: 050914e7064d3176f43ed3a27bbea8462842a70e92a4a7626bfb6eeb821c956c
title: 439000-439999 Help MO Keyword
collection: developer
version: current
locale: en-us
portal_url: https://docs.salesforce.com/developer/current/en-us/marketing-cloud/guides/mc-apis/439000_439999_help_mo_keyword.md
canonical_url: https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/439000_439999_help_mo_keyword.html
source_site: developer.salesforce.com
content_type: documentation
content_hash: 6f4b90884eecc18cd2df017d08f620503a6addc193da76c00d5dbd42057139c9
products:
  - Marketing Cloud Engagement APIs and Programmatic Languages
  - Marketing Cloud
---
# 439000-439999 Help MO Keyword

| Error | Message |
| ----- | ------- |
| 439000 | Help MO keyword FriendlyName is required |
| 439001 | Help MO keyword verb cannot contain commas |
| 439002 | Help MO keyword verb belongs to another state: (state named here) |
| 439003 | Help MO keyword verb cannot contain commas |
| 439004 | Help MO keyword verb is required |
| 439005 | Help MO keyword default help message is required |