Problem was solved by Support. They solved it by replacing the /et-core-plugin/packages/kirki/core/class-kirki-l10n.php.
This will be part of next update:
Olga Barlow , Support Staff, August 28, 2020 3:05 pm
Hello,Fix will be included in the next update. Developers did not include it in 7.0 by mistake.
Sorry for this.Regards