update bug daashboards

app/Models/Transfer.php

@@ -34,7 +34,7 @@ protected static function boot()
         static::creating(function ($transfer) {
             $lastNumber = (int) self::whereNotNull('invoice_no')
                 ->orderByDesc('id')
-                ->value(DB::raw("CAST(SUBSTRING(invoice_no, 4) AS UNSIGNED)")) ?? 0;
+                ->value(DB::raw("CAST(SUBSTRING(invoice_no, 4) AS INTEGER)")) ?? 0;
 
             $transfer->invoice_no = str_pad($lastNumber + 1, 5, '0', STR_PAD_LEFT);
         });