#2002-Sequence Builder Http API is not Working

For One of my client I had setup an Sequence Automation , in that I had Added a Http API option , but it is not working , I am getting an error of "Message-1 : Error Code WA : 100 - (#100) Param type must be one of {AUDIO, CONTACTS, DOCUMENT, GIF, IMAGE, INTERACTIVE, LINK_PREVIEW, LOCATION, PIN, REACTION, STICKER, TEMPLATE, TEXT, THREAD_CONTROL_NOTIFICATION, VIDEO} - got "httpApi"." in sequence , I had shared a Login Details and What is the issue in live chat and Support ticket, please Fix this issue in priority