ERRORCODE22 with https://conta.cc/3SkJBra

Last status codes:{"url":"https:\/\/myemail.constantcontact.com\/subject.html?soid=1134869916516&aid=n-XcClx6Qek","content_type":"application\/json","http_code":502,"header_size":1471,"request_size":571,"filetime":-1,"ssl_verify_result":20,"redirect_count":1,"total_time":3.28816299999999994696509020286612212657928466796875,"namelookup_time":0.0003089999999999999756410129503336747802677564322948455810546875,"connect_time":0.00541400000000000040933922917929521645419299602508544921875,"pretransfer_time":0.0262660000000000011521894549559874576516449451446533203125,"size_upload":0,"size_download":36,"speed_download":10,"speed_upload":0,"download_content_length":36,"upload_content_length":0,"starttransfer_time":3.287987999999999910727410679101012647151947021484375,"redirect_time":0.08187899999999999345323686839037691242992877960205078125,"redirect_url":"","primary_ip":"104.16.233.42","certinfo":[],"primary_port":443,"local_ip":"162.240.9.214","local_port":48552,"http_version":3,"protocol":2,"ssl_verifyresult":0,"scheme":"https","appconnect_time_us":26112,"connect_time_us":5414,"namelookup_time_us":309,"pretransfer_time_us":26266,"redirect_time_us":81879,"starttransfer_time_us":3287988,"total_time_us":3288163}

Last data got:{"message": "Internal server error"}