I set constraintDate earlier than StarteDate, but my Total Slack is still 0
{
"eventsData": [
{
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"parentId": null,
"name": "New task3",
"percentDone": 0,
"startDate": "2022-06-01",
"rollUp": null,
"duration": 3,
"endDate": "2022-06-04",
"showInTimeline": null,
"baseLines": [],
"children": null,
"PhantomId": null,
"expanded": null,
"note": null,
"draggable": true,
"resizable": true,
"constraintDate": "2022-05-20",
"constraintType": "startnoearlierthan",
"durationUnit": "day",
"deadLineDate": null,
"effort": 24,
"effortDriven": false,
"effortUnit": "hour",
"inactive": null,
"manuallyScheduled": false,
"schedulingMode": "Normal",
"slackUnit": 'hour',
"cls": "",
"iconCls": null,
"style": null,
"taskIconCls": null,
"parentIndex": 4
}
],
"dependenciesData": [
],
"resourcesData": [
{
"id": "28008475",
"name": "Zhu, Yongjun",
"image": "28008475.jpg"
},
{
"id": "28035212",
"name": "He, Yang",
"image": "28035212.jpg"
}
],
"assignmentsData": [
{
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"eventId": "3a0395be-96bb-0139-14b3-f698ea436d0f",
"resourceId": "28028119"
}
],
"calendarsData": [],
"projectData": {
"calendar": "general",
"startDate": "0001-01-01T00:00:00",
"hoursPerDay": 24,
"daysPerWeek": 5,
"daysPerMonth": 20
}
}