If Character Animator CC (Beta) is crashing on your macOS 10.13 machine when importing or using Illustrator artwork, please update to the latest version of Character Animator CC, which is no longer in Beta. Install the latest version named "Character Animator CC" from the Creative Cloud application. It will not be offered as an automatic update for the Beta version.
If you are still encountering a crash after updating to the latest version, please post a message on our user forums. Thanks.