---
schema_version: "1"
id: 2550972589119ed72ea75d6ffcb9b7a4a45171abd2cdb222a93b52d7ec19847c
title: 43000-43999 ImportDefinition Object
collection: developer
version: current
locale: en-us
portal_url: https://docs.salesforce.com/developer/current/en-us/marketing-cloud/guides/mc-apis/43000_43999_importdefinition_object.md
canonical_url: https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/43000_43999_importdefinition_object.html
source_site: developer.salesforce.com
content_type: documentation
content_hash: 443cfb6948b95d11061313c960bb6b9b15eea89ca4698f0adc91998a79d89227
products:
  - Marketing Cloud Engagement APIs and Programmatic Languages
  - Marketing Cloud
---
# 43000-43999 ImportDefinition Object

| Error | Message |
| ----- | ------- |
| 43000 | ImportDefinition Customer Key Not Specified |
| 43010 | ImportDefinition Not Found |
| 43020 | ImportDefinition Object Not Supported |
| 43030 | ImportDefinition Exists |
| 43040 | ImportDefinition Insert Error |
| 43050 | ImportDefinition Update Error |
| 43060 | ImportDefinition Validation Error |