Null given to $fromEmail on Conversations

[clarg18]

>>> $fresh->getTicketById(59408); TypeError: Gets\Freshservice\Entities\Conversation::setFromEmail(): Argument #1 ($fromEmail) must be of type string, null given, called in /var/www/html/vendor/getsno/freshservice-api/src/Entities/Conversation.php on line 147

[clarg18]

    public function setFromEmail(string $fromEmail): self
    {
        $this->fromEmail = $fromEmail;

        return $this;
    }

Type set as string but this can be null for private and public notes.