Creating Automation Task is throwing error - {"message": "Please provide correct framework." }

Can anyone help me with the error? 

{
"automationType":"UPLOAD",
"automationFramework":"JUNIT",
"taskname":"Job1",
"cycleName":"Cycle1",
"folderName":"Folder1",
"appendDateTimeInCycleName":true,
"appendDateTimeInFolderName":true,
"versionName":"Unscheduled",
"projectKey":"EWP",
"cycleStartingDate":"",
"cycleEndingDate":"",
"createNewCycle":true,
"createNewFolder":true,
"assigneeUser":"{MyAccountKey}",
"jobDescription":"",
}