Fairy Tail Luna mismatch between ActivateDescription and Util.GetStringId

[kharism]

I put this in my executor AddExecutor(ExecutorType.Activate, CardId.FairyTailLuna, FairyTailLunaSearch);

private bool FairyTailLunaSearch() {
if (ActivateDescription == Util.GetStringId(CardId.FairyTailLuna, 0))
{
return true;
}
return false;
}

GetStringId return 91160607457280 but the value of ActivateDescription is 62205969853120512
Is there any possibility that ActivateDescription is overwritten by something?