I need desperate help please

My whole team including 93 van der sar , gullit sbc 94 Eusebio 96 henry toty Cafu 93 and many many more HAS BEEN DELETED ….ALL OF THEM ARE UNTRADEBLE

There are 2 options either my account was hacked either my son deleted my team 

just retired from holiday and when I saw it I was literally BLOWN AWAY 

this is my dream team since 2017 never had this wonderful team before 

please help help help