请教公式整合

请教公式整合
=IFERROR
这个函数怎么整合到下面这个公式
=IF($UN$1508-$UN$1507+1-(1656-ROW($UN1513))-$UN$1512-1<=0,"",TEXT(OFFSET(UO$1,$UN$1508-1-(1656-ROW($UN1513)),)-OFFSET(UO$1,$UN$1508-1-(1656-ROW($UN1513))-$UN$1512-1,),"0;"&IF($UN$1510="正负振幅","-","")&"0")*1)