We have released an update for InDesign CC2019 (v 14.0.1) which contains some stability fixes. If you are not already on 14.0.1 (build 209), then we recommend you to update to latest version.
If you still face this issue even after updating, please submit the crash report to us.
(Guidelines to submit crash are available at https://helpx.adobe.com/indesign/kb/submit-crash-reports.html)
Also, please send the following information to firstname.lastname@example.org :
• Reproducible Steps – What were you doing when InDesign crashed?
• Error snapshot or video recording of the issue.
• Is the issue related to a specific document(s)/asset(s)? If yes, can you please share the document(s)/asset(s) with us?
• Does trashing InDesign Preferences and Cache help resolve the issue? Please take a backup of the same before trashing them.
Adobe InDesign teamChristy shared this idea ·