When attempting to create and save a new Checklist from the Page Layout of a Quality Event Record, the user gets a Server Error.
Currently, when creating Checklists from the Page Layout on a Quality Event Record, the user may encounter a Server Error when saving.
To properly create a Checklist in Vault through the UI, the user should navigate to the action menu of the Record and click on Start Checklist.
Note: This is a known issue and there are plans to address this in the future.
Vault Checklist Documentation: Configuring Checklists (Quality, QualityOne)