Hello.
Please recheck that this title was not set as title of the email at the general booking settings page and at the WordPress settings for the admin email.
If this not help, please try this fix. Hello.
Try to open the login dialog and retry the password. Then recheck what the email address is used in this email. If you will see the “WordPress title”, so then its somewhere in the settings of WordPress.
Try to open the wp_options table in your DB (using the phpMyAdmin tool or some other DB tool),
Find the option with name “admin_email” and recheck that the email for this field do not have the “WordPress” title.
