message: Handles case where no search value
diff: @@ -97,7 +97,7 @@ const simpleRangeFilters: FilterDefinition[] = [
  throw new Error('Too many filter parameters.');
  } else if (parts.length === 2) {
  [activityType, count] = parts;
  - } else {
  + } else if(parts.length === 1) {
  [count] = parts;
  }
  @@ -105,6 +105,7 @@ const simpleRangeFilters: FilterDefinition[] = [
  return (item) => {
  const killTrackerInfo = getItemKillTrackerInfo(item);
  return Boolean(
  + count &&
  killTrackerInfo &&
  (!activityType || activityType === killTrackerInfo.type) &&
  numberComparisonFunction(killTrackerInfo.count)
  