If you are the addressee: 
Please contact your sender.

If you are the sender:
If Chronopost has been established as liable, you will be compensated for the original value of the goods, the amount of the repairs required or the direct costs incurred to restore the documents, up to a maximum of €250 per parcel, which may be claimed against receipts. 

You can insure the transported goods up to €5,000 per parcel in the event of loss or damage (insurance options: €500 - €1,000 - €2,000 - €5,000)

Please contact Customer Service as soon as possible.