diff --git a/lam/templates/3rdParty/pla/htdocs/rdelete.php b/lam/templates/3rdParty/pla/htdocs/rdelete.php
index bb864a9d..5a40a5c5 100644
--- a/lam/templates/3rdParty/pla/htdocs/rdelete.php
+++ b/lam/templates/3rdParty/pla/htdocs/rdelete.php
@@ -51,6 +51,13 @@ foreach ($request['parent'] as $dn) {
 }
 
 function pla_rdelete($server,$dn) {
+	if (($dn == null) || ($dn == '')) {
+		system_message(array(
+			'title'=>_('Entry does not exist'),
+			'body'=>sprintf('%s (%s)',_('Unable to delete entry, it does not exist'),$dn),
+			'type'=>'error'));
+		return false;
+	}
 	# We delete all children, not only the visible children in the tree
 	$children = $server->getContainerContents($dn,null,0,'(objectClass=*)',LDAP_DEREF_NEVER);
 
diff --git a/lam/templates/delete.php b/lam/templates/delete.php
index 9a1ab4e5..f9b8044d 100644
--- a/lam/templates/delete.php
+++ b/lam/templates/delete.php
@@ -305,6 +305,10 @@ function getChildCount($dn) {
 */
 function deleteDN($dn) {
 	$errors = array();
+	if (($dn == null) || ($dn == '')) {
+		$errors[] = array('ERROR', _('Entry does not exist'));
+		return $errors;
+	}
 	$sr = @ldap_list($_SESSION['ldap']->server(), $dn, 'objectClass=*', array('dn'), 0, 0, 0, LDAP_DEREF_NEVER);
 	if ($sr) {
 		$entries = ldap_get_entries($_SESSION['ldap']->server(), $sr);