Suite CRM Campaign emails Queued error

Hello Everyone!

Regarding EMail campaign:

I have created Targets lists and assigned to a new Campaign and tried to do scheduled sent eMails

I’m getting error since months but not resolved as I cannot find solution.

Could you guys please help, please find the snapshot ( https://ibb.co/m1v8ve ) for reference and below is error

Warning: Invalid argument supplied for foreach() in /var/www/xyz.dk/public_html/crm/modules/Emails/EmailUI.php on line 452

This is very important to me

Thank you…

foreach($addresses as $address) {
if($address[‘email_address’] == $myBean->{$emailField} && (int)$address[‘opt_out’]) {
$optOut = true;
}
}

above is code on line 452