Error: Callback was already called.

[gauravgandhi1315]

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Updated my node version to 16 and selenium-standalone was successfully installed. When I run my tests, I see this issue:

  cb(new Error("Could not request headers from " + url + ": " + err));
  ^

Error: Callback was already called

@wdio/selenium-standalone-service": "6.1.14" "selenium-standalone": "6.20.1"

Can someone please help?