breakLink() Illustrator 2020 Issues

Question

Until recently after updating illustrator to 2020 this code worked fine to break link to symbols. Now I getERROR: 1302, No such element Anyone have any suggestions?  "var rs = 'Script completed without error.';
var docRef = null;
var symbolRef = null;
var iCount = 0;

try { 
    docRef = app.activeDocument;
    iCount = docRef.symbolItems.length;
    for (var num = 0; num<iCount; num++)
    {  symbolRef = docRef.symbolItems[num];
    symbolRef.breakLink();
    }
}    
catch(err)
{
    rs = 'ERROR: ' + (err.number & 0xFFFF) + ', ' + err.description;
    alert(rs);
}"

CarlosCanto · Accepted Answer

your script wouldn't work in any version. Looping forward resets the number of items to evaluate, making everyother item unavailable. Looping backwards solves the issue.

var docRef = null;
var symbolRef = null;
var iCount = 0;

try {
docRef = app.activeDocument;
iCount = docRef.symbolItems.length;
for (var num = iCount-1; num>=0; num--)
{ symbolRef = docRef.symbolItems[num];
symbolRef.breakLink();
}
}
catch(err)
{
rs = 'ERROR: ' + (err.number & 0xFFFF) + ', ' + err.description;
alert(rs);
}

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