selenium automation script error summary

Question 1:

The python automated test script reports an error, and the error message is as follows: selenium.common.exceptions.WebDriverException: Message: unknown error: call function result missing, which has been running fine before.

:problem causes:

Chrome browser automatically upgrades. Causes a mismatch with the version supported by chromedriver.

solution

(1) Download the chromedriver that matches the chrome browser version.