On the installation page,
I 'm getting an "Missing required admin fields" error, looking in Installation controller, there is a check for the phone_number fields which is not displayed:
// Validate required admin fields
if (
empty($admin['first_name']) ||
empty($admin['last_name']) ||
empty($admin['email']) ||
empty($admin['phone_number']) ||
empty($admin['username']) ||
empty($admin['password'])
) {
throw new InvalidArgumentException('Missing required admin fields.');
}