Open/Close Modal event mapping has no field to select modalDescriptionWhen a user in UI Builder goes to add an Open/Close Modal event mapping to a component and no modals are present on the page, the modal selection drop-down will not display in the event mapping pane.Steps to Reproduce 1. Open any UIB page2. Add a modal say Custom3. Click on body element and add a new event mappings : On page ready -> Open or close modal 4. With modal selected as 'custom_1'5. Save the page6. Delete the modal custom_17. Select the body element and click on the event mapping card between page ready and open or close modalWorkaroundTo make the modal selection dropdown appear in the event mapping, simply add a modal to the page and the dropdown will become visible again. This problem is targeted to be fixed in an upcoming patch. To receive notifications when more information becomes available, subscribe to this Known Error article by clicking the Subscribe button at the top right of this form.Related Problem: PRB1590375