There is a fragment of the file with the settings
"REGISTRATION_EMAIL_PATTERNS_ALLOWED": [ "^.*@(.*\\.)?gmail\\.com$", "^.*@(.*\\.)?ukr\\.net$", "^.*@(.*\\.)?bigmir\\.net$", "^.*@(.*\\.)?(.*\\.)?\\.ua$" ], Error in the last line, you need to allow all domains @ *. Ua please tell me what the error is.