URL: http://back-office.kameleoon.com/kameleoon/preferences/ajaxObtainRegionAndCityNames?regionNamePrefix=&cityNamePrefix=

Cannot invoke method toLowerCase() on null object
java.lang.NullPointerException: Cannot invoke method toLowerCase() on null object
        at com.kameleoon.tracking.TargetingService.obtainRegionNames(TargetingService.groovy:98)
        at com.kameleoon.backoffice.PreferencesController.ajaxObtainRegionAndCityNames(PreferencesController.groovy:824)
        at grails.plugin.cache.web.filter.PageFragmentCachingFilter.doFilter(PageFragmentCachingFilter.java:198)
        at grails.plugin.cache.web.filter.AbstractFilter.doFilter(AbstractFilter.java:63)
        at org.tonyzampogna.xss.sanitizer.filter.XssFilter.doFilterInternal(XssFilter.java:23)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)


Parameters:
regionNamePrefix:
cityNamePrefix:
action: serverError
controller: system