Fix user list in ACP

diff --git a/wcfsetup/install/files/lib/page/MultipleLinkPage.class.php b/wcfsetup/install/files/lib/page/MultipleLinkPage.class.php
index 0859c71245d1996ad0649720d68262c9223df0bb..044c85a8785f07da4a45825f8189d2f3d54b2c4f 100644 (file)
--- a/wcfsetup/install/files/lib/page/MultipleLinkPage.class.php
+++ b/wcfsetup/install/files/lib/page/MultipleLinkPage.class.php
@@ -119,7 +119,12 @@ abstract class MultipleLinkPage extends AbstractPage {
                        $this->sqlLimit = $this->itemsPerPage;
                        $this->sqlOffset = ($this->pageNo - 1) * $this->itemsPerPage;
                        if ($this->sortField && $this->sortOrder) {
-                               $this->sqlOrderBy = $this->sortField." ".$this->sortOrder.", ".$this->objectList->getDatabaseTableAlias().".".$this->objectList->getDatabaseTableIndexName()." ".$this->sortOrder;
+                               if ($this->objectList !== null) {
+                                       $this->sqlOrderBy = $this->sortField." ".$this->sortOrder.", ".$this->objectList->getDatabaseTableAlias().".".$this->objectList->getDatabaseTableIndexName()." ".$this->sortOrder;
+                               }
+                               else {
+                                       $this->sqlOrderBy = $this->sortField." ".$this->sortOrder;
+                               }
                        }
                        $this->readObjects();
                }