Problème d’exécution d'un fonction PHP

Bonjour,

Quand je lance mon code j'obtiens cette alarme :

Warning: Illegal offset type inC:\Xampp\5.6.12\htdocs\seve_g3\private\library\FilesAnalysis\AnalyseByFileType\XlsxlistAssemblies.class.php on line 996

Dont voici le code:

private function manageDiversitySheetData(){
    // Get .ini settings & initialize
    $_aDiversityDataSettings = \General::getDataFromSettings('excel_input:Input_DIVERSITY:general_data', '_aGeneralData', $this->_aSettings);
    $_aDiversityAssemblies = array();
 
    // loop the Excel diversity sheet to get data
    foreach($this->_aInputDiversitySheet as $_iKey0 => $_aValue0){//Row
        if($_iKey0 >= $_aDiversityDataSettings['start_assembliesData'][0] && $_aValue0[0] != ""){
            $_aTempAssembly = array();
            foreach($_aValue0 as $_iKey1 => $_sValue1){//Columns
                // Compare current module cpn with module cpn in _aModuleData array to get module ID
                if($_iKey1 >= $_aDiversityDataSettings['start_constraints'][1] && $_sValue1 == "1"){
                    foreach($this->_aModuleData as $_iModuleID => $_aData){
                        if($_aData['customer_part_number'] == $this->_aInputDiversitySheet[$_aDiversityDataSettings['cpn'][0]][$_iKey1]){
                            $_aTempAssembly[] = $_iModuleID;
                        }//END if($_aData['customer_part_number'] == $this->_aInputDiversitySheet[$_aDiversityDataSettings['cpn'][0]][$_iKey1])
                    }//END foreach($this->_aModuleData as $_iModuleID => $_aData)
                }//END if($_iKey1 >= $_aDiversityDataSettings['start_constraints'][1] && $_sValue1 == "1")
            }//END foreach($_aValue0 as $_iKey1 => &$_sValue1)
            // Determines which is a RMT & OPT
            $_aTempAssembly = $this->getRMTAndOPT(implode($this->_sCombinationDelimiter, $_aTempAssembly));
            // fill final DiversityAssemblies array & Add refDPN & refBASE data
            $_aDiversityAssemblies[$_aTempAssembly['RMT']][$_aTempAssembly['OPT']] = array(
                                                                                        'refDPN' => $this->_aInputDiversitySheet[$_iKey0][$_aDiversityDataSettings['start_refDPN'][1]],
                                                                                        'refBASE' => $this->_aInputDiversitySheet[$_iKey0][$_aDiversityDataSettings['start_refBASE'][1]],
                                                                                    );
        }//END if($_iKey0 >= $_aDiversityDataSettings['start_assembliesData'][0] && !empty($_aValue0))
    }//END  foreach($this->_aInputDiversitySheet as $_iKey0 => &$_aValue0)
 
    // Merge Diversity Sheet Data in CPNAssemblies array
    $this->mergeDiversitySheetDataInCPNAssemblies($_aDiversityAssemblies);
 
}//END private function manageDiversitySheetData()

On me dit que ca pointe vers ce bout de code:

$_aDiversityAssemblies[$_aTempAssembly['RMT']][$_aTempAssembly['OPT']] = array(
    'refDPN' => $this->_aInputDiversitySheet[$_iKey0][$_aDiversityDataSettings['start_refDPN'][1]],
    'refBASE' => $this->_aInputDiversitySheet[$_iKey0][$_aDiversityDataSettings['start_refBASE'][1]]
       ,);

D'où peut bien provenir mon erreur ?

Merci de votre aide et bonne journée :)

EDIT : Ajout du LANGAGE dans les balises de code (la coloration syntaxique). Explications disponibles ici : ICI Merci d'y penser dans tes prochains messages.