Hi there,
In this case, you can insert a check to check for if an element is not present or not. After the check, you can do preceding action based on the check result.
Example:
if (WebUI.verifyElementNotPresent(findTestObject(‘Page_CuraAppointment/btn_BookAppointment’), 10) == true)
{
WebUI.click(findTestObject(‘Page_CuraAppointment/btn_Continue’))
}