# Trying to get the current webdriver instance is displaying 'Cannot call non W3C standard command while in W3C mode' error

**URL:** <https://forum.katalon.com/t/trying-to-get-the-current-webdriver-instance-is-displaying-cannot-call-non-w3c-standard-command-while-in-w3c-mode-error/50801>\
**Category:** Web Testing\
**Tags:** katalon-studio\
**Created:** [January 6, 2021, 4:25am UTC](https://forum.katalon.com/t/trying-to-get-the-current-webdriver-instance-is-displaying-cannot-call-non-w3c-standard-command-while-in-w3c-mode-error/50801 "2021-01-06T04:25:52Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![kazurayam](https://dub1.discourse-cdn.com/katalon/user_avatar/forum.katalon.com/kazurayam/32/333_2.png) [@kazurayam](https://forum.katalon.com/u/kazurayam)\
**Post date:** [January 6, 2021, 1:29pm UTC](https://forum.katalon.com/t/trying-to-get-the-current-webdriver-instance-is-displaying-cannot-call-non-w3c-standard-command-while-in-w3c-mode-error/50801/3 "2021-01-06T13:29:35Z")

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If you want to see the log file of ChromeDrier, why not you try this:

> [@Getting chromedriver.log when you run Record/Spy Web to investigate why KS failed to start Chrome](http://forum.katalon.com/t/getting-chromedriver-log-when-you-run-record-spy-web-to-investigate-why-ks-failed-to-start-chrome/10886):
>
> Background In the Katalon Forum you can find many posts where people had problem activating Google Chrome browser from Katalon Studio. In most cases the discussion tends to fall unproductive due to lack of enough information(diagnostic) what’s going on between Katalon Studio and Chrome browser. [Unable to launch test suite with chrome 66.0.3359.170 64 Bits](http://forum.katalon.com/t/unable-to-launch-test-suite-with-chrome-66-0-3359-170-64-bits/10870)[Unable to open browser with url: Unable to open browser with url:](http://forum.katalon.com/t/unable-to-open-browser-with-url-unable-to-open-browser-with-url/8876)[Record Web: Browser binaries not found](http://forum.katalon.com/t/record-web-browser-binaries-not-found/8319)[Unknown error: cannot fin…](http://forum.katalon.com/t/unknown-error-cannot-find-chrome-binary/9008)

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