com.thoughtworks.selenium.SeleniumException: ERROR Server Exception: sessionId should not be null; has this session been started yet?

pushtotest.com | 6 months ago
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    sessionId is NULL and \'localhost:4444\' errors - PushToTest Community Forums

    pushtotest.com | 6 months ago
    com.thoughtworks.selenium.SeleniumException: ERROR Server Exception: sessionId should not be null; has this session been started yet?
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    Root Cause Analysis

    1. com.thoughtworks.selenium.SeleniumException

      ERROR Server Exception: sessionId should not be null; has this session been started yet?

      at com.thoughtworks.selenium.HttpCommandProcessor.throwAssertionFailureExceptionOrError()
    2. selenium-java
      DefaultSelenium.setTimeout
      1. com.thoughtworks.selenium.HttpCommandProcessor.throwAssertionFailureExceptionOrError(HttpCommandProcessor.java:97)
      2. com.thoughtworks.selenium.HttpCommandProcessor.doCommand(HttpCommandProcessor.java:91)
      3. com.thoughtworks.selenium.DefaultSelenium.setTimeout(DefaultSelenium.java:631)
      3 frames