The duration type fields Business Duration and Duration show empty data in incident form if glide lists start property is not lockedDescription If the system property glide.ui.glide_list.start.locked is disabled, the Business Duration field does not show any data.If there is no data stored in the field, Business Duration shows 0 sec when glide.ui.glide_list.start.locked is set to true. Steps to Reproduce Login a demo instance.Set glide.ui.glide_list.start.locked property to false.Navigate to the incident form, and personalize the Form Layout, add new business_duration/duration field.View an incident record with existing log history, no data is displayed in the duration fields. Workaround This is by design. The property glide.ui.glide_list.start.locked is set to true, as it is OOB setting in all current releases. Related Problem: PRB592218