Facing following problem frequently

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Exception at calling ltp as {‘status’: ‘failure’, ‘remarks’: {‘error_code’: None, ‘error_type’: None, ‘error_message’: None}, ‘data’: {‘data’: {‘805’: ‘Too many requests. Further requests may result in the user being blocked.’}, ‘status’: ‘failed’}}
Traceback (most recent call last):
File “c:/Users/Administrator/OneDrive/Desktop/Dhan/3. Session3 - Codebase/Dhan codebase/2Candle_MACD.py”, line 104, in
response = tsl.get_ltp_data(names = [‘NIFTY MAR FUT’])[‘NIFTY MAR FUT’]
KeyError: ‘NIFTY MAR FUT’