TroubleshootingTroubleshoot web automated testingTroubleshoot web test execution exceptions overviewTroubleshoot web test execution exceptions overviewHere is a list of common exceptions when executing web tests in Katalon Studio, followed by possible solutions.In this sectionElement click intercepted exceptionElement not visible exceptionFirefox Browser Alert is not getting popped upInvalid element state exceptionInvalid Session error in the execution logTimed out waiting for the driver server to startUnable to connect to Katalon serverUnable to record on Internet ExplorerUnable to run tests with Firefox 121Use different browser versionsWebDriver common exceptionsWeb element not found exceptionWebUI.click() does not click in some test environmentsCommon issues with browser-based videos in Katalon Studio reportHeadless mode produces a blank white window in Chrome version 129