Input $_FILES upload - error #4, o co chodzi? Opcje

[shpaque]

Jak w temacie wywala mi error #4 (UPLOAD_ERR_NO_FILE – Value: 4; No file was uploaded) - to akurat wiem, szkoda, że nigdzie nie mogę znaleźć DLACZEGO? kiedy sprawdzam plik, wychodzi mi:

[XML] pobierz, plaintext 
Array ( [name] => [type] => [tmp_name] => [error] => 4 [size] => 0 ) Array ( [name] => [type] => [tmp_name] => [error] => 4 [size] => 0 ) Array ( [name] => [type] => [tmp_name] => [error] => 4 [size] => 0 )
[XML] pobierz, plaintext 

wyglada to tak:

[PHP] pobierz, plaintext 
// Dodajemy pliki
			$maxSize = 2048*1024; // 2 MB
			if (is_uploaded_file($_FILES['photoFront']['tmp_name']) && $_FILES['photoFront']['size'] <= $maxSize)
			{
				$tempFile = $_FILES['photoFront']['tmp_name'];
 				$targetFile =  './db/users/'.$logUser['id'].'/'.$_FILES['photoFront']['name'];
 				move_uploaded_file($tempFile, $targetFile);
 
 				$newPomiar['photoFront'] = $_FILES['photoFront']['name'];
			}
			if (is_uploaded_file($_FILES['photoSide']['tmp_name']) && $_FILES['photoSide']['size'] <= $maxSize)
			{
				$tempFile = $_FILES['photoSide']['tmp_name'];
 				$targetFile =  './db/users/'.$logUser['id'].'/'.$_FILES['photoSide']['name'];
 				move_uploaded_file($tempFile, $targetFile);
 
 				$newPomiar['photoSide'] = $_FILES['photoSide']['name'];
			}
			if (is_uploaded_file($_FILES['photoBack']['tmp_name']) && $_FILES['photoBack']['size'] <= $maxSize)
			{
				$tempFile = $_FILES['photoBack']['tmp_name'];
 				$targetFile =  './db/users/'.$logUser['id'].'/'.$_FILES['photoBack']['name'];
 				move_uploaded_file($tempFile, $targetFile);
 
 				$newPomiar['photoBack'] = $_FILES['photoBack']['name'];
			}
			print_r($_FILES['photoFront']);
			print_r($_FILES['photoSide']);
			print_r($_FILES['photoBack']);
			exit;
[PHP] pobierz, plaintext 

[HTML] pobierz, plaintext 
<form id="formAdd" action="#" method="POST" enctype="multipart/form-data" style="margin-top: 20px;">
		<input type="hidden" name="action" value="add" />
		<div class="row">
			<div class="col-sm-4">
				<div class="panel">
					<div id="imageFront" class="u-image" style="background-image: url('./img/photoFront.jpg');"></div>
					<div class="title text-justify" style="margin-top: 12px; font-size: 13px; line-height: 16px;"><b>Zdjęcie od przodu</b><br><br>Pamiętaj, że nie musisz pokazywać swojej twarzy, ważne jest aby oświetlenie było odpowiednie.</div>
					<span id="spanFront" class="btn-file text-center">Dodaj <input id="photoFront" name="photoFront" type="file" onchange="checkFile('imageFront', 'spanFront', 'photoFront')" /></span>
				</div>
			</div>
			<div class="col-sm-4">
				<div class="panel">
					<div id="imageSide" class="u-image" style="background-image: url('./img/photoSide.jpg');"></div>
					<div class="title text-justify" style="margin-top: 12px; font-size: 13px; line-height: 16px;"><b>Zdjęcie od boku</b><br><br>Nie napinaj brzucha ani nie nabieraj za dużo powietrza. Zachowaj prostą postawę.</div>
					<span id="spanSide" class="btn-file text-center">Dodaj <input id="photoSide" name="photoSide" type="file" onchange="checkFile('imageSide', 'spanSide', 'photoSide')" /></span>
				</div>
			</div>
			<div class="col-sm-4">
				<div class="panel">
					<div id="imageBack" class="u-image" style="background-image: url('./img/photoBack.jpg');"></div>
					<div class="title text-justify" style="margin-top: 12px; font-size: 13px; line-height: 16px;"><b>Zdjęcie od tyłu</b><br><br>Napnij przy okazji ręce i pokaż się w całej okazałości.<br><br></div>
					<span id="spanBack" class="btn-file text-center">Dodaj <input id="photoBack" name="photoBack" type="file" onchange="checkFile('imageBack', 'spanBack', 'photoBack')" /></span>
				</div>
			</div>
		</div>
...
[HTML] pobierz, plaintext