diff --git a/backend/config.py b/backend/config.py
index 31b68ca..cbaad9c 100644
--- a/backend/config.py
+++ b/backend/config.py
@@ -37,7 +37,7 @@ class Config:
     # SERVER_NAME = "localhost.localdomain"
     # PORT = 5443
 
-    OPENCAST_URL = "https://opencast.bibliothek.kit.edu"
+    OPENCAST_URL = "https://oc-bib-admin.bibliothek.kit.edu"
     OPENCAST_USER = "admin"
     OPENCAST_PW = "mz.paziuw!"
 
diff --git a/backend/tools/simple_state_checker.py b/backend/tools/simple_state_checker.py
index 3dd9e00..70ba0a7 100644
--- a/backend/tools/simple_state_checker.py
+++ b/backend/tools/simple_state_checker.py
@@ -34,7 +34,7 @@ rec_err_state_log_stream_handler.setLevel(logging.WARNING)
 logger.addHandler(rec_err_state_log_stream_handler)
 #logger.addHandler(mem_handler)
 
-base_url = "https://opencast.bibliothek.kit.edu"
+base_url = "https://oc-bib-admin.bibliothek.kit.edu"
 
 session = requests.session()
 session.auth = HTTPBasicAuth(Config.OPENCAST_USER, Config.OPENCAST_PW)
@@ -66,6 +66,7 @@ def get_calender(rec_id):
     url = get_service_url('org.opencastproject.scheduler') + "/calendars"
     res = session.get(url, params=params)
     if res.ok:
+        logger.debug(res.text)
         return Calendar(res.text)
 
 
@@ -113,6 +114,9 @@ def check_capture_agent_state(a: dict):
         logger.info("{} has entry in Calender and should therefore be recording... checking now!".format(a['name']))
         if a['state'] == "capturing":
             recorder_info = get_recorder_by_name(a['name'])
+            if recorder_info is None:
+                logger.error("FATAL: Could not find recorder info for {}!".format(a['name']))
+                return
             try:
                 rec = get_recorder_adapter(recorder_info)
                 if rec.is_recording():
@@ -131,6 +135,9 @@ def check_capture_agent_state(a: dict):
             logger.error("FATAL: {} is not in capturing state...but should be!!".format(a['name']))
     else:
         recorder_info = get_recorder_by_name(a['name'])
+        if recorder_info is None:
+            logger.error("FATAL: Could not find recorder info for {}!".format(a['name']))
+            return
         try:
             rec = get_recorder_adapter(recorder_info)
             if rec.is_recording():
@@ -147,7 +154,11 @@ def check_capture_agent_state(a: dict):
 
 
 def ping_capture_agent(a: dict):
-    recorder_ip = get_recorder_by_name(a['name'])['ip']
+    logger.debug(get_recorder_by_name(a['name']))
+    recorder = get_recorder_by_name(a['name'])
+    if recorder is None:
+        return
+    recorder_ip = recorder['ip']
     try:
         response = subprocess.check_call(
             ['ping', '-W', '10', '-c', '2', recorder_ip],