This is the response:
responseMeta: {status: 400, success: false,…}
error: {code: "AE-APP-4022", title: "Invalid dynamic binding reference",…}
code: "AE-APP-4022"
errorType: "BAD_REQUEST"
message: "{ "widgetType" : "JSON_FORM_WIDGET", "bindingPath" : "schema.root_schema.children.startsAt.defaultValue", "currentKey" : "defaultValue", "message" : "Binding path in the widget not found. Please reach out to Appsmith customer support to resolve this.", "widgetName" : "insert_form", "widgetId" : "o8oiq6vwkk", "pageId" : "640a27abfbaf483446a1c3b9", "layoutId" : "640a27abfbaf483446a1c3b8", "errorDetail" : "New element is null", "dynamicBinding" : {children={}, dataType=string, fieldType=Datepicker, sourceData=, isCustomField=false, accessor=startsAt, identifier=startsAt, position=5, originalIdentifier=startsAt, boxShadow=none, borderRadius={{((sourceData, formData, fieldState) => (appsmith.theme.borderRadius.appBorderRadius))(insert_form.sourceData, insert_form.formData, insert_form.fieldState)}}, accentColor={{((sourceData, formData, fieldState) => (appsmith.theme.colors.primaryColor))(insert_form.sourceData, insert_form.formData, insert_form.fieldState)}}, closeOnSelection=false, convertToISO=true, dateFormat=LLL, isDisabled=false, isRequired=false, isVisible=true, label=Starts At (local), maxDate=2121-12-31T18:29:00.000Z, minDate=1920-12-31T18:30:00.000Z, shortcuts=false, timePrecision=minute, labelTextSize=0.875rem}}"
title: "Invalid dynamic binding reference"
status: 400
success: false