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Notice: Trying to get property 'lier_formule_centrale' of non-object in /home/adler/www/monsitelaravel/resources/views/importation_externe/form.blade.php on line 4

Fatal error: Uncaught Error: Call to a member function pluck() on null in /home/adler/www/monsitelaravel/resources/views/importation_externe/form.blade.php:4 Stack trace: #0 {main} thrown in /home/adler/www/monsitelaravel/resources/views/importation_externe/form.blade.php on line 4