DataTables warning: table id=data-table - Ajax error - html

Question

I am getting table id=data-table error. I have even converted my text file to json file with parse command. Any ideas what is causing this. I have tried to search every where for this issue.
Please help.
My Text File
{
"Orders": [
{
"Address": "124, KAPADIA INDUSTRIAL",
"Dabba Type": "LUNCH AND DINNER",
"Email": "jamesbond#gmail.com",
"End date": "29/4/2017",
"Phone number": "9619582277",
"Session": "VEG",
"Start date": "15/3/2017",
"User id": "CaXXchcC3XhAifuk7P4YprzSGqB3",
"Username": "james bond"
},
...Still more data is there below
]
}
Script file
$(document).ready(function(){
$('#data-table').DataTable({
"ajax" : {
"dataType" : 'json',
"contentType" : "application/json; charset=utf-8",
"type" : "POST",
"url" : "data/mumbaidabbawala.txt",
"dataSrc" : function (json) {
return $.parseJSON(Orders);
}
},
"columns" : [
{ "Orders" : "Address"},
{ "Orders" : "Dabba Type"},
{ "Orders" : "Email"},
{ "Orders" : "End Date"},
{ "Orders" : "Phone number"},
{ "Orders" : "Session"},
{ "Orders" : "Start date"},
{ "Orders" : "User id"},
{ "Orders" : "Username"}
]
});
});