org.openqa.selenium.WebDriverException: unknown error: Element is not clickable at point (936, 435). Other element would receive the click: <span class="field-error">...</span>
  (Session info: chrome=43.0.2357.130)
  (Driver info: chromedriver=2.14.313457 (3d645c400edf2e2c500566c9aa096063e707c9cf),platform=Linux 3.13.0-49-generic x86_64) (WARNING: The server did not provide any stacktrace information)
Command duration or timeout: 76 milliseconds
Build info: version: '2.37.0', revision: 'a7c61cbd68657e133ae96672cf995890bad2ee42', time: '2013-10-18 09:51:02'
System info: host: 'gw108', ip: '149.165.228.106', os.name: 'Linux', os.arch: 'amd64', os.version: '3.13.0-49-generic', java.version: '1.7.0_79'
Session ID: 9bd5bbd036153008d8d881a9001c9522
Driver info: org.openqa.selenium.chrome.ChromeDriver
(13 more lines...)

org.openqa.selenium.UnhandledAlertException: unexpected alert open
  (Session info: chrome=43.0.2357.130)
  (Driver info: chromedriver=2.14.313457 (3d645c400edf2e2c500566c9aa096063e707c9cf),platform=Linux 3.13.0-49-generic x86_64) (WARNING: The server did not provide any stacktrace information)
Command duration or timeout: 3 milliseconds: null
Build info: version: '2.37.0', revision: 'a7c61cbd68657e133ae96672cf995890bad2ee42', time: '2013-10-18 09:51:02'
System info: host: 'gw108', ip: '149.165.228.106', os.name: 'Linux', os.arch: 'amd64', os.version: '3.13.0-49-generic', java.version: '1.7.0_79'
Session ID: dee1b84699e4c528649123ddaedacc36
Driver info: org.openqa.selenium.chrome.ChromeDriver
(20 more lines...)

org.openqa.selenium.TimeoutException: Timed out after 30 seconds waiting for presence of element located by: By.selector: div.simplemodal-wrap > #delete-appointment-type-dialog > div.dialog-content > button.confirm.right
Build info: version: '2.37.0', revision: 'a7c61cbd68657e133ae96672cf995890bad2ee42', time: '2013-10-18 09:51:02'
System info: host: 'gw108', ip: '149.165.228.106', os.name: 'Linux', os.arch: 'amd64', os.version: '3.13.0-49-generic', java.version: '1.7.0_79'
Driver info: driver.version: unknown
	at sun.reflect.GeneratedConstructorAccessor20.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
	at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:193)
(15 more lines...)