From: Matthias Schmidt <gravatronics@live.com>
Date: Mon, 17 Oct 2016 18:17:55 +0000 (+0200)
Subject: Fix previous commit
X-Git-Tag: 3.0.0_Beta_3~22
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=baf85f1daf1ce37597caf8031efca128ee198277;p=GitHub%2FWoltLab%2FWCF.git

Fix previous commit
---

diff --git a/wcfsetup/install/files/lib/acp/form/BoxEditForm.class.php b/wcfsetup/install/files/lib/acp/form/BoxEditForm.class.php
index a86641f185..5af7580e97 100644
--- a/wcfsetup/install/files/lib/acp/form/BoxEditForm.class.php
+++ b/wcfsetup/install/files/lib/acp/form/BoxEditForm.class.php
@@ -126,7 +126,7 @@ class BoxEditForm extends BoxAddForm {
 			$oldController = new $className;
 			
 			/** @noinspection PhpUndefinedMethodInspection */
-			if ($oldController->getConditionDefinition() && (!$this->boxController || (!($this->boxController->getProcessor() instanceof IConditionBoxController)) || !$this->boxController->getProcessor()->getConditionDefinition())) {
+			if ($oldController instanceof IConditionBoxController && $oldController->getConditionDefinition() && (!$this->boxController || (!($this->boxController->getProcessor() instanceof IConditionBoxController)) || !$this->boxController->getProcessor()->getConditionDefinition())) {
 				ConditionHandler::getInstance()->deleteConditions($oldController->getConditionDefinition(), [$this->box->boxID]);
 			}
 		}