rem: litmus.getSubgroup(litmus.currentSubgroupID,litmus.statePopulateFields); 
add:  if (litmus.currentSubgroupID != 0) litmus.getSubgroup(litmus.currentSubgroupID,litmus.statePopulateFields); 
context:     readStateFromPref : function() {        litmus.currentSubgroupID = qaPref.getPref(qaPref.prefBase + ".currentTestcase.subgroupId", "int");        litmus.getSubgroup(litmus.currentSubgroupID,litmus.statePopulateFields);    },
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8395/b8a667199dbd6bfe72c48b133b66f28e385a2bad/litmus.js/buggy/testing/extensions/community/chrome/content/litmus.js