FLEX: Target of assignment must be a reference value
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            by Patrick
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        Published on 2010-05-04T13:37:25Z
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            2010/05/04
            13:38 UTC
        
        
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flex
how can I fix this error ?
Target of assignment must be a reference value
for (var z:int=0; z<this.tags.getItemAt(i).yearPopularity.length; z++) {    
  summedPopularity.getItemAt(z) = summedPopularity.getItemAt(z) + tags.getItemAt(i).yearPopularity.getItemAt(z);
                }
thanks
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