How to update status?

| Matric | Name                         | GitHub Link               | Status |
|--------|------------------------------|---------------------------|--------|
| 2XXXXX | YXXXXXXXXXX                  | https://github.com/abcde  | Yes    |
| 2XXXXX |NAME STUDENTXXXXXXXXXXXXXXXX  |                           | No     |

[SQLITE_ERROR] SQL error or missing database (near "WHERE": syntax error)
[SQLITE_ERROR] SQL error or missing database (near "WHERE": syntax error)

package com;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;

public class Update {

    private Connection connect() {
        // SQLite connection string
        String url = "jdbc:sqlite:C://sqlite/db/test2.db";
        Connection conn = null;
        try {
            conn = DriverManager.getConnection(url);
        } catch (SQLException e) {
            System.out.println(e.getMessage());
        }
        return conn;
    }
    public void update(String status) {
        String sql = "UPDATE nameListss SET status = ? , WHERE github = null else ? ,";

        try (Connection conn = this.connect();
             PreparedStatement pstmt = conn.prepareStatement(sql)) {

            // set the corresponding param
            pstmt.setString(1, status);
            pstmt.setString(1, status);

            // update
            pstmt.executeUpdate();
        } catch (SQLException e) {
            System.out.println(e.getMessage());
        }
    }

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {

        Update app = new Update();
        // update the warehouse with id 3
        app.update("No");
        app.update("Yes");
    }

}