app/Models/PanelGrMaster.php

@@ -32,10 +32,8 @@ class PanelGrMaster extends Model
         return $this->belongsTo(Item::class);
     }
 
-    public function panelBoxValidations()
+    public function stickerMaster()
     {
-        return $this->hasMany(PanelBoxValidation::class, 'plant_id', 'plant_id')
-            ->whereColumn('production_order', 'panel_gr_masters.document_number')
-            ->whereColumn('inspection_lot_number', 'panel_gr_masters.inspection_lot_number');
+        return $this->belongsTo(StickerMaster::class, 'sticker_master_id');
     }
 }