[AC-5866] Cannot log into the AMPLIFY Appcelerator Services

I can no longer log into the AMPLIFY Appcelerator Services. Any login fails with the error message listed below. appc login --log-level trace Appcelerator Command-Line Interface, version 6.2.0 Copyright (c) 2014-2018, Appcelerator, Inc. All Rights Reserved. 2018-08-29T17:35:00.565Z | TRACE | set environment to {"registry":"https://software.appcelerator.com","baseurl":"https://platform.appcelerator.com"} 2018-08-29T17:35:00.576Z | TRACE | executing command "login" with no plugins 2018-08-29T17:35:00.656Z | DEBUG | Get username and password... 2018-08-29T17:35:00.657Z | INFO | Appcelerator Login required to continue ... ? Appcelerator ID: ? Password: **************** 2018-08-29T17:35:22.405Z | DEBUG | Get the registry... 2018-08-29T17:35:22.405Z | DEBUG | Do login... 2018-08-29T17:35:23.076Z | TRACE | request result undefined undefined false undefined true 1 2018-08-29T17:35:23.077Z | TRACE | login returned { Error: self signed certificate in certificate chain at TLSSocket. (_tls_wrap.js:1103:38) at emitNone (events.js:106:13) at TLSSocket.emit (events.js:208:7) at TLSSocket._finishInit (_tls_wrap.js:637:8) at TLSWrap.ssl.onhandshakedone (_tls_wrap.js:467:38) code: 'SELF_SIGNED_CERT_IN_CHAIN', error: 'com.appcelerator.auth.connection.server.error' } undefined 2018-08-29T17:35:23.077Z | DEBUG | body undefined 2018-08-29T17:35:23.077Z | DEBUG | err { Error: self signed certificate in certificate chain at TLSSocket. (_tls_wrap.js:1103:38) at emitNone (events.js:106:13) at TLSSocket.emit (events.js:208:7) at TLSSocket._finishInit (_tls_wrap.js:637:8) at TLSWrap.ssl.onhandshakedone (_tls_wrap.js:467:38) code: 'SELF_SIGNED_CERT_IN_CHAIN', error: 'com.appcelerator.auth.connection.server.error' } 2018-08-29T17:35:23.078Z | ERROR | login failed, please try again