iOS Question Hosted Builder error on submit to app Store

[Alankoba]

Problem on primary and secondary server. Since yesterday.

B4i version 6.60

Uploading ipa file.
Submitting app (this step can take several minutes to complete).
Error: 2021-03-12 13:01:53.709 altool[26004:12947124] *** Error: Error uploading 'Posto Inicial.ipa'.
2021-03-12 13:01:53.709 altool[26004:12947124] *** Error: code -1011 (Failed to authenticate for session: (
    "Error Domain=ITunesConnectionAuthenticationErrorDomain Code=-22910 \"Please sign in with an app-specific password. You can create one at appleid.apple.com.\" UserInfo={NSLocalizedRecoverySuggestion=Please sign in with an app-specific password. You can create one at appleid.apple.com., NSLocalizedDescription=Please sign in with an app-specific password. You can create one at appleid.apple.com., NSLocalizedFailureReason=App Store operation failed.}"
) Authentication failed.)

 

[Erel]

You need to create an app specific password (step #6): https://www.b4x.com/android/forum/threads/publishing-your-app-to-the-app-store.57528/