How to Solve This Problem (Proxy)

When I change the href , he sent me this message, off page .

No files detected "But I have the right direction in which the document is "

This is mi code

HTML Code:

<div class="payment_box multiplier_box">

                                <a href="./indexInternal.es.php?action=internalPaymentProxy" class="open_external">
                                    <span class="headline">Doubler Advantage Pack:</span>
                                    <span class="text">Double the pack, double the fun - The contents of every Bonus Box will be credited to your account twice!</span>
                                    <span class="logo package1"><!--  --></span>
                                </a>

                            </div>

[Only registered and activated users can see links. Click Here To Register...]

[Only registered and activated users can see links. Click Here To Register...]