SISIS: Fix flaw in reservation message parsing
@@ -1267,7 +1267,7 @@ public class SISIS extends OkHttpBaseApi implements OpacApi {
&nbsp;
<span class="textrot">automatisch gel&ouml;scht.</span>
*/
- if (!textrot.nextElementSibling().tagName().equals("input")) {
+ if (textrot.nextElementSibling() != null && !textrot.nextElementSibling().tagName().equals("input")) {
String errmsg = textrot.text();
ReservationResult result = new ReservationResult(
Status.CONFIRMATION_NEEDED);
