Python memory issue with DB Table

HI Friends ,

Processing table number: 67 and table name is: bp_dealer_tbl
Fetching query results.

Error:Error while getting the result from query: Unable to allocate 153. MiB for an array with shape (272899, 147) and data type object
'NoneType' object has no attribute 'columns'
Traceback (most recent call last):
  File "C:\Sup\Python\get_delta_records_branch_plus.py", line 265, in <module>
    obj1.connect()
  File "C:\Sup\Python\get_delta_records_branch_plus.py", line 254, in connect
    auditDf = pd.DataFrame(data)
  File "C:\Python\lib\site-packages\pandas\core\frame.py", line 468, in __init__
    mgr = init_dict(data, index, columns, dtype=dtype)
  File "C:\Python\lib\site-packages\pandas\core\internals\construction.py", line 283, in init_dict
    return arrays_to_mgr(arrays, data_names, index, columns, dtype=dtype)
  File "C:\Python\lib\site-packages\pandas\core\internals\construction.py", line 78, in arrays_to_mgr
    index = extract_index(arrays)
  File "C:\Python\lib\site-packages\pandas\core\internals\construction.py", line 397, in extract_index
    raise ValueError("arrays must all be same length")
ValueError: arrays must all be same length

i am getting this error while i am extracting the data from the database tables. there are 100+ tables . but i am getting the error only this table . Please help