Urgent enquiry about home right notice

I have sent as a priority home right notice. However on royal mail it shows it hasn’t been delivered, picked up, signed but just collected. 
can someone please check if that has been received and if my home rights are protected. 

LA854874 is a title number. 
thank you kindly. 

Natalia - we have received the form HR1 and it's protected from 25th March
I notice you haven't completed the form in full and have left panel 6 blank. You can submit your personal details inc postal and email address using the contact form - Public guidance: dealing with land and property - GOV.UK
Quote the title number LA854874 and our case reference W938BVT