OSL_ENSURE(sal_False,"OConfigurationRegistryKey::getEmtyLeafDefault: no fallback anymore to handle the NULL value!");
// this assertion is just to point the clients to the fatal error ....
::rtl::OUStringsMessage(UNISTRING("There is an element named "));
sMessage+=_rParentName;
sMessage+=UNISTRING("/");
sMessage+=_rElementLocalName;
sMessage+=UNISTRING(", but it can't be wrapped as registry key. It's current value is NULL, and the parent node is unable to provide type informations.");