Fix division by zero

app/Http/Controllers/Json/BudgetController.php

@@ -83,8 +83,10 @@ class BudgetController extends Controller
 
         if (null !== $availableBudget) {
             $available = $availableBudget->amount;
+            if (0 !== bccomp($available, '0')) {
                 $percentage = bcmul(bcdiv($budgeted, $available), '100');
             }
+        }
 
         // if available, get the AB for this period + currency, so the bar can be redrawn.
         return response()->json(