How to setting contact form 7 plugin to get messages from guest users without email

I use plugin Contact Form 7 in my wordpress project and I have custom form with fields:

• name
• phone
• message

When I try send message as guest user get error with message:

{
    additional_errors: []
    code: "wp_die"
    data: {status: 500}
    message: "You are not authorized to perform this action."
}

How solve this problem?