Error Code: 1009 (Resource you tried to manipulate is used somewhere and this manipulation is forbidden)

HTTP status Code: 400

Sometimes it is forbidden to edit some resource because it is used somewhere else.

Examples:

• remove custom-field when it is used on webforms
• remove custom-field when it is used in search-contacts (segmentation)
• remove from-field that is used
• removing goal when it is used in search-contacts (segmentation)
• removing goal-profile when it is used in search-contacts (segmentation)
• removing newsletter when it is used in search-contacts (segmentation)
• removing search-contacts (segments) when it is used as a target for sending messages