How to delete entries ?

Hi

I dont find where to delete entries

on the entries page i have a list of entries but with no boxes to check (check all) so that i can delete entries why ?

i can see thoses boxes on the screenshots of this page :

https://wpmanageninja.com/docs/fluent-form/view-submitted-form-data-in-wp-fluent-forms/view-manage-submitted-form-entries/

thank you for your help