[Python] ValueError: Input contains infinity or a value too large for dtype('float64')

i need help I'm working on machine learning. I tried to import a dataset using this code:

# Importing the libraries
import numpy as np
import matplotlib.pyplot as plt
import pandas as pd

# Importing the dataset
dataset = pd.read_csv('Rural3.csv', low_memory=False)
X = dataset.iloc[:, :-1].values
y = dataset.iloc[:, 77].values

# Splitting the dataset into the Training set and Test set
from sklearn.model_selection import train_test_split
X_train, X_test, y_train, y_test = train_test_split(X, y, test_size = 0.25, random_state = 0)

# Feature Scaling
from sklearn.preprocessing import StandardScaler
sc = StandardScaler()
X_train = sc.fit_transform(X_train)
X_test = sc.transform(X_test)


However, an error appears: ValueError: Input contains infinity or a value too large for dtype('float64')

What should i do please ? i'm newbie in python. Thanks in advance.

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