I've just updated my Unity 2019.1.5f1 project with the latest Vuforia 8.1.11 update to comply with Google Play 64 bit and now lost all scripts, prefabs and all assets that were associated with my project. I'm not sure how to correct this issue, have I installed the update incorrectly or should I just start all over? Apologies, I am rather new to AR development, but it would be nice to find a solution rather than start my project all over again. Please advise on what you would like to review within my project. Thanks for the help.