Unable to locate element: //*[@id="pnnext"]

[toannd96]

new.py:135: DeprecationWarning: use options instead of firefox_options
  driver = webdriver.Firefox(firefox_options=webdriver.FirefoxOptions())
Traceback (most recent call last):
  File "new.py", line 182, in <module>
    rows = profiles_loop()  # gets links to profiles from a google page, then select next page
  File "new.py", line 62, in profiles_loop
    next_button = driver.find_element_by_xpath('//*[@id="pnnext"]')
  File "/home/dactoan/py/scrapy-linkedin/venv/lib/python3.8/site-packages/selenium/webdriver/remote/webdriver.py", line 394, in find_element_by_xpath
    return self.find_element(by=By.XPATH, value=xpath)
  File "/home/dactoan/py/scrapy-linkedin/venv/lib/python3.8/site-packages/selenium/webdriver/remote/webdriver.py", line 976, in find_element
    return self.execute(Command.FIND_ELEMENT, {
  File "/home/dactoan/py/scrapy-linkedin/venv/lib/python3.8/site-packages/selenium/webdriver/remote/webdriver.py", line 321, in execute
    self.error_handler.check_response(response)
  File "/home/dactoan/py/scrapy-linkedin/venv/lib/python3.8/site-packages/selenium/webdriver/remote/errorhandler.py", line 242, in check_response
    raise exception_class(message, screen, stacktrace)
selenium.common.exceptions.NoSuchElementException: Message: Unable to locate element: //*[@id="pnnext"]