diff --git a/zeiterfassung/allefehlbuchungen.php b/zeiterfassung/allefehlbuchungen.php
index 48598c7..5a3f7d5 100644
--- a/zeiterfassung/allefehlbuchungen.php
+++ b/zeiterfassung/allefehlbuchungen.php
@@ -12,6 +12,10 @@ if (!isset($_SESSION['userid'])) {
 $user_id = $_SESSION['userid'];
 $user = check_user();
 
+if (!is_admin_user()) {
+    die("Keine Rechte fuer diese Ansicht.");
+}
+
 ?>
 
 <?php include 'header.php'; ?>
@@ -25,6 +29,13 @@ $user = check_user();
 <div class="container">
     <h2 class="mb-4">Zeitbuchungsfehler Auswertung</h2>
 
+<?php if (!empty($_SESSION['time_error_close_result'])): ?>
+    <?php $closeResult = $_SESSION['time_error_close_result']; unset($_SESSION['time_error_close_result']); ?>
+    <div class="alert alert-<?php echo htmlspecialchars($closeResult['type'], ENT_QUOTES, 'UTF-8'); ?>" role="alert">
+        <?php echo htmlspecialchars($closeResult['message'], ENT_QUOTES, 'UTF-8'); ?>
+    </div>
+<?php endif; ?>
+
 <?php
 
 // Benutzer aus der Datenbank erhalten
@@ -132,6 +143,23 @@ foreach($users AS $user){
 
 
 		<?php if (!empty($invalidDates)): ?>
+            <form action="closeEmployeeTimeErrors.php" method="post" class="form-inline mb-3">
+                <input type="hidden" name="employee_id" value="<?php echo (int)$user['id']; ?>">
+                <label class="mr-2" for="hours_to_close_<?php echo (int)$user['id']; ?>">Fehlbuchungen automatisch schliessen mit</label>
+                <input
+                    type="number"
+                    step="0.25"
+                    min="0.25"
+                    class="form-control mr-2"
+                    id="hours_to_close_<?php echo (int)$user['id']; ?>"
+                    name="hours_to_close"
+                    value="8"
+                    required
+                >
+                <span class="mr-2">Stunden</span>
+                <button type="submit" class="btn btn-primary">Alle schliessen</button>
+            </form>
+
 			<table class="table table-striped">
 				<thead class="thead-dark">
 					<tr>
@@ -167,4 +195,4 @@ foreach($users AS $user){
 			</div>
 		</div>
 	</div>
-<?php include 'footer.php'; ?>
\ No newline at end of file
+<?php include 'footer.php'; ?>
diff --git a/zeiterfassung/closeEmployeeTimeErrors.php b/zeiterfassung/closeEmployeeTimeErrors.php
new file mode 100644
index 0000000..1350e2c
--- /dev/null
+++ b/zeiterfassung/closeEmployeeTimeErrors.php
@@ -0,0 +1,147 @@
+<?php
+session_start();
+
+require_once("inc/config.inc.php");
+require_once("inc/functions.inc.php");
+
+$user = check_user();
+if (!is_admin_user()) {
+    http_response_code(403);
+    die("Keine Berechtigung.");
+}
+
+if ($_SERVER["REQUEST_METHOD"] !== "POST") {
+    die("Ungueltige Anfrage.");
+}
+
+$employeeId = isset($_POST['employee_id']) ? (int)$_POST['employee_id'] : 0;
+$hoursRaw = isset($_POST['hours_to_close']) ? str_replace(',', '.', trim((string)$_POST['hours_to_close'])) : '';
+$hoursToClose = is_numeric($hoursRaw) ? (float)$hoursRaw : 0.0;
+
+if ($employeeId <= 0) {
+    $_SESSION['time_error_close_result'] = [
+        'type' => 'danger',
+        'message' => 'Es wurde kein gueltiger Mitarbeiter uebergeben.',
+    ];
+    header("Location: allefehlbuchungen.php");
+    exit;
+}
+
+if ($hoursToClose <= 0) {
+    $_SESSION['time_error_close_result'] = [
+        'type' => 'danger',
+        'message' => 'Bitte eine gueltige Stundenanzahl groesser als 0 angeben.',
+    ];
+    header("Location: allefehlbuchungen.php");
+    exit;
+}
+
+try {
+    $stmt = $pdo->prepare("SELECT id, vorname, nachname FROM users WHERE id = :employee_id LIMIT 1");
+    $stmt->bindValue(':employee_id', $employeeId, PDO::PARAM_INT);
+    $stmt->execute();
+    $employee = $stmt->fetch(PDO::FETCH_ASSOC);
+
+    if (!$employee) {
+        throw new RuntimeException('Mitarbeiter wurde nicht gefunden.');
+    }
+
+    $stmt = $pdo->prepare(
+        "SELECT
+            DATE(timestamp_datetime) AS datum,
+            GROUP_CONCAT(timestamp_type ORDER BY timestamp_datetime) AS day_sequence
+         FROM timestamps
+         WHERE employee_id = :employee_id
+         GROUP BY DATE(timestamp_datetime)
+         ORDER BY datum ASC"
+    );
+    $stmt->bindValue(':employee_id', $employeeId, PDO::PARAM_INT);
+    $stmt->execute();
+    $days = $stmt->fetchAll(PDO::FETCH_ASSOC);
+
+    $invalidDates = [];
+    foreach ($days as $day) {
+        if (!isValidSequence((string)$day['day_sequence'])) {
+            $invalidDates[] = (string)$day['datum'];
+        }
+    }
+
+    if (empty($invalidDates)) {
+        $_SESSION['time_error_close_result'] = [
+            'type' => 'info',
+            'message' => 'Es wurden keine offenen Fehlbuchungen fuer den Mitarbeiter gefunden.',
+        ];
+        header("Location: allefehlbuchungen.php");
+        exit;
+    }
+
+    $pdo->beginTransaction();
+
+    $insertedDates = [];
+    $skippedDates = [];
+    $secondsToClose = (int)round($hoursToClose * 3600);
+
+    $lastEntryStmt = $pdo->prepare(
+        "SELECT timestamp_type, timestamp_datetime
+         FROM timestamps
+         WHERE employee_id = :employee_id
+           AND DATE(timestamp_datetime) = :datum
+         ORDER BY timestamp_datetime DESC, timestamp_id DESC
+         LIMIT 1"
+    );
+
+    $insertStmt = $pdo->prepare(
+        "INSERT INTO timestamps (employee_id, timestamp_type, timestamp_datetime, timestamp_endpoint)
+         VALUES (:employee_id, 'GEHEN', :timestamp_datetime, 0)"
+    );
+
+    foreach ($invalidDates as $invalidDate) {
+        $lastEntryStmt->bindValue(':employee_id', $employeeId, PDO::PARAM_INT);
+        $lastEntryStmt->bindValue(':datum', $invalidDate);
+        $lastEntryStmt->execute();
+        $lastEntry = $lastEntryStmt->fetch(PDO::FETCH_ASSOC);
+
+        if (!$lastEntry || (string)$lastEntry['timestamp_type'] !== 'KOMMEN') {
+            $skippedDates[] = $invalidDate;
+            continue;
+        }
+
+        $closeTimestamp = (new DateTimeImmutable((string)$lastEntry['timestamp_datetime']))
+            ->modify('+' . $secondsToClose . ' seconds')
+            ->format('Y-m-d H:i:s');
+
+        $insertStmt->bindValue(':employee_id', $employeeId, PDO::PARAM_INT);
+        $insertStmt->bindValue(':timestamp_datetime', $closeTimestamp);
+        $insertStmt->execute();
+
+        $insertedDates[] = $invalidDate;
+    }
+
+    $pdo->commit();
+
+    $message = count($insertedDates) . ' Fehlbuchungstage fuer '
+        . $employee['vorname'] . ' ' . $employee['nachname']
+        . ' wurden mit ' . rtrim(rtrim(number_format($hoursToClose, 2, '.', ''), '0'), '.')
+        . ' Stunden geschlossen.';
+
+    if (!empty($skippedDates)) {
+        $message .= ' ' . count($skippedDates) . ' Tage konnten nicht automatisch geschlossen werden.';
+    }
+
+    $_SESSION['time_error_close_result'] = [
+        'type' => !empty($insertedDates) ? 'success' : 'warning',
+        'message' => $message,
+    ];
+} catch (Throwable $e) {
+    if ($pdo->inTransaction()) {
+        $pdo->rollBack();
+    }
+
+    $_SESSION['time_error_close_result'] = [
+        'type' => 'danger',
+        'message' => 'Automatisches Schliessen fehlgeschlagen: ' . $e->getMessage(),
+    ];
+}
+
+header("Location: allefehlbuchungen.php");
+exit;