Error message after whats app opens

[Moe234]

Hi please help. I'm getting this error as soon as whats app opens on my browser.

DevTools listening on ws://127.0.0.1:12880/devtools/browser/fb811799-1732-4a26-8512-1f6b259432cd
Traceback (most recent call last):
File "C:/Users/DellXPS/PycharmProjects/WhatsApp-Chatbot-master/Whatsapp_Chat_Bot.py", line 34, in
driver.execute_script("window.open('','_blank');")
File "C:\Python27\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 634, in execute_script
return self.execute(command, dict(script=script, args=converted_args))['value']
File "C:\Python27\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 321, in execute
self.error_handler.check_response(response)
File "C:\Python27\lib\site-packages\selenium\webdriver\remote\errorhandler.py", line 242, in check_response
raise exception_class(message, screen, stacktrace)
selenium.common.exceptions.WebDriverException: Message: unknown error: call function result missing 'value'
(Session info: chrome=69.0.3497.100)
(Driver info: chromedriver=2.24.417431 (9aea000394714d2fbb20850021f6204f2256b9cf),platform=Windows NT 10.0.17134 x86_64)

[fontanon]

Same here.

[huzoorbux]

same here.

[ashwinvk94]

same here