Errore reading layout file

Dear community a help needed,

i have worked for the past 2 weeks on my proj in SU layout , and today when i tried to open it there was that msg “Errore reading layout file” , then i tried to open the backup file as well but same results :frowning:
i tried to use the forum help (like zipping stuff but no help)
Help will be really appreciate :raised_hands:

please see attached the link for the original layout file and the BU:

Thanks allot