SENSEX data is not available on 2016-09-12, but NIFTY, BANKNIFTY, FINNIFTY data is available. why this is happen?

[skyman98]

in chat sensex data it will available, but by calling api it is not working give ERROR({'message': 'Something Went Wrong, Please Try After Sometime', 'errorcode': 'AB1004', 'status': False, 'data': None})