1 files changed, 8 insertions, 13 deletions
diff --git a/modules-available/locationinfo/inc/icalcoursebackend.inc.php b/modules-available/locationinfo/inc/icalcoursebackend.inc.php
index 44691bb4..838d18b7 100644
--- a/modules-available/locationinfo/inc/icalcoursebackend.inc.php
+++ b/modules-available/locationinfo/inc/icalcoursebackend.inc.php
@@ -18,16 +18,6 @@ abstract class ICalCourseBackend extends CourseBackend
 	/** @var bool|resource */
 	private $curlHandle = false;
 
-	/**
-	 * Initialize values
-	 *
-	 * @param string $location
-	 * @param bool $verifyCert
-	 * @param bool $verifyHostname
-	 * @param string $authMethod
-	 * @param string $user
-	 * @param string $pass
-	 */
 	protected function init(
 		string $location, bool $verifyCert, bool $verifyHostname,
 		string $authMethod = 'NONE', string $user = '', string $pass = '')
@@ -52,11 +42,18 @@ abstract class ICalCourseBackend extends CourseBackend
 	{
 		if (!$this->isOK())
 			return null;
+
+		try {
+			$ical = new ICalParser(['filterDaysBefore' => 7, 'filterDaysAfter' => 7]);
+		} catch (Exception $e) {
+			$this->addError('Error instantiating ICalParser: ' . $e->getMessage(), true);
+			return null;
+		}
+
 		if ($this->curlHandle === false) {
 			$this->curlHandle = curl_init();
 		}
 
-		$ical = new ICalParser(['filterDaysBefore' => 7, 'filterDaysAfter' => 7]);
 		$options = [
 			CURLOPT_WRITEFUNCTION => function ($ch, $data) use ($ical) {
 				$ical->feedData($data);
@@ -119,8 +116,6 @@ abstract class ICalCourseBackend extends CourseBackend
 
 	/**
 	 * Get a usable title from either SUMMARY or DESCRIPTION
-	 *
-	 * @param ICalEvent $event
 	 */
 	protected function toTitle(ICalEvent $event): string
 	{