Почему не работает запрос?

[vikuss2006]

void addQueryRanges()
{
    Query                 reportQuery = this.queryRun().query();
    QueryBuildDataSource  qbds = reportQuery.dataSourceTable(tablenum(LedgerJournalTable));
    QueryBuildRange       qbr;
    ;

    qbr = qbds.addRange(fieldnum(LedgerJournalTable, PostedDate));
    qbr.value(strFmt('(%1 >= %2) AND (%1 <= %3) OR (%1 == %4)',
    fieldStr(LedgerJournalTable,PostedDate),
    queryvalue(dateFrom),
    queryvalue(dateTo),
    sysquery::valueEmptyString()
    )); 

}