From 8d4a79f9b93b6bc7de320233a9b2b567b9594be5 Mon Sep 17 00:00:00 2001
From: Harald Bamberger <harald.bamberger@technikum-wien.at>
Date: Tue, 2 Nov 2021 18:00:41 +0100
Subject: [PATCH] only show messages if covid udf is defined

---
 cis/private/lehre/anwesenheitsliste.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cis/private/lehre/anwesenheitsliste.php b/cis/private/lehre/anwesenheitsliste.php
index 25942ebae..2cdf56d5f 100644
--- a/cis/private/lehre/anwesenheitsliste.php
+++ b/cis/private/lehre/anwesenheitsliste.php
@@ -212,7 +212,7 @@ $covidhelper = new CovidHelper();
 			if($covid_content!='')
 				$covid_content = "<table border='0' cellspacing='0'><tr><td><h3>".$p->t('anwesenheitsliste/covidstatuslisten')."</h3></td></tr>".$covid_content."</table>";
 		  	else
-		  		$covid_content = $p->t('anwesenheitsliste/keineStudentenVorhanden');
+		  		$covid_content = ($covidhelper->isUdfDefined()) ? $p->t('anwesenheitsliste/keineStudentenVorhanden') : '';
 			
 		  	if($aw_content!='')
 				$aw_content = "<table border='0' cellspacing='0'><tr><td><h3>".$p->t('anwesenheitsliste/anwesenheitslisten')."</h3></td></tr>".$aw_content."</table>";