Offers can be changed in the backend

src/admin/views/club/tmpl/default.php

@@ -78,9 +78,10 @@ defined('_JEXEC') or die;
 <?php if(! $this->isNew): ?>
 <h2>Angebote</h2>
 <?php foreach($this->object->getOffers() as $oconf): ?>
-	<input type='checkbox' name='offers' value='<?php echo $oconf['offer']->getId(); ?>' <?php if($oconf['valid']) echo 'checked="checked"';?>> 
+	<input type='checkbox' name='offers[]' value='<?php echo $oconf['offer']->getId(); ?>' <?php if($oconf['valid']) echo 'checked="checked"';?>> 
 	<?php echo htmlentities($oconf['offer']->getName()); ?><br />
 <?php endforeach; ?>
+
 <h2>Posten</h2>
 <table width='100%' class='table table-stiped, table-hover'>
 	<tr>