Error or missing database (no such table: users)

import java.sql.*;
 
class SQLClient {
    private static Connection connection;
    private static Statement statement;
 
    synchronized static void connect() {
        try {
            Class.forName("org.sqlite.JDBC");
            connection = DriverManager.getConnection("jdbc:sqlite:chat_db.sqlite");
            statement = connection.createStatement();
        } catch (ClassNotFoundException | SQLException e) {
            e.printStackTrace();
        }
    }
 
    synchronized static void disconnect() {
        try {
            connection.close();
        } catch (SQLException e) {
            throw new RuntimeException(e);
        }
    }
 
    synchronized static String getNick(String login, String pass) {
        String request = "SELECT nickname FROM users WHERE login='" + login + "' AND password='" + pass + "'";
        try(ResultSet resultSet = statement.executeQuery(request);) {
            if(resultSet.next()) {
                return resultSet.getString(1);
            } else {
                return null;
            }
        } catch (SQLException e) {
            throw new RuntimeException(e);
        }
    }
}