Error maxDate

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import wixData from 'wix-data';
//CODE DATES INDISPONIBLES BASE DE DONNEE
wixData.query ("News") 
. eq ("dispo", true ) 
. limit (1000) 
. find () 
. then ((res)  =>  { 
    let items = res.items ; 
    if (items.length > 0)  { 
        let disabledDates = [ ] ; 
        items.forEach (e => { 
        disabledDates.push (e.date) ;
         
    } ) 
        $w ("#datePickerarrivee").disabledDates = disabledDates
    $w ("#datePickerdepart").disabledDates = disabledDates
        } 
    
});

//CODE DatePicker2 en fonction de DatePicker1

  export function datePickerarrivee_change_1(event) {  
     let firstTime = new Date($w('#datePickerarrivee').value).getTime(); 
     //86400000 milliseconds in a day
     let timeTwoDaysHence = firstTime + (3 * 86400000);//+ x nbre de jours suite selection dans DatePicker1
     let dateTwoDaysHence = new Date(timeTwoDaysHence);
     $w('#datePickerdepart').minDate = dateTwoDaysHence;//+ x nbre de jours suite selection dans DatePicker1
     
 const disabledDates = $w('#datePickerdepart').disabledDateRanges.map(e => new Date(e.startDate).getTime());
$w('#datePickerdepart').maxDate = new Date(disabledDates.find(e => firstTime < e));
}

Thanks you for your feedback.
Here is my code.
It seems that disabled dates are not recognized even though they are grayed out in my 2 date pickers…