I get server error while try to update data

I am getting this message while try to update post using fill feature for ebay content

Error: HTTP request status fails: 429 – Too Many Requests. Server replay: { “errors”: [ { “errorId”: 2001, “domain”: “ACCESS”, “category”: “REQUEST”, “message”: “Too many requests.”, “longMessage”: “The request limit has been reached for the resource.” } ] }