Hello All, I am running an cache only nameserver and sometimes the service stop working with the following message on the log... 04-Mar-2005 13:52:08.412 general: critical: name.c:1962: REQUIRE(source->length > 0) failed 04-Mar-2005 13:52:08.412 general: critical: exiting (due to assertion failure) Any Ideas about what is happening? Daniel Puka