Thank you for your support all this while. The issue is now fixed in the latest update of InDesign.
Please upgrade to the new InDesign 14.0 from your Creative Cloud Application.
If you are unable to see the update yet, click on the menu (three dots) on the top right corner of Creative cloud app and click on “Check for App Updates”.
Let us know if the issue is resolved for you in InDesign 14.0.
An error occurred while saving the commentAnonymous commented
I am also having this issue of crashing on launch since the beta update yesterday. I understand the risk to using beta software, but CC 2017 works in the meantime. Others have also had this problem and made posts on the apple forum, but no solution yet.