19041: Invalid or missing Custom Field inputERROR: 19041error-19041 page anchorCONTACTSERROR Descriptiondescription page anchorInvalid or missing Custom Field input Possible Causespossible-causes page anchorCustom field value is missing, Custom Field value is invalid, Custom Field is duplicated Possible Solutionspossible-solutions page anchorReview API documentation for more information