Value Error in Re-importing the Dataset section

loan_data_numeric = np.genfromtxt("C:/Users/Nariman/Desktop/NumPy/Practical exam/Loan Dataset/loan-data.csv",
                        autostrip = True,
                        usecols = columns_numeric,
                        filling_values = temporary_mean,
                        delimiter = ";")
loan_data_numeric

ValueError: setting an array element with a sequence. The requested array has an inhomogeneous shape after 2 dimensions. The detected shape was (10001, 6) + inhomogeneous part.

What I did wrong?