diff --git a/fet2020/documents/api.py b/fet2020/documents/api.py
index 206a12af..ecba3259 100644
--- a/fet2020/documents/api.py
+++ b/fet2020/documents/api.py
@@ -27,15 +27,17 @@ class ep_api():
             raise e
             self.group = None
             self.epc = None
-            
+
     def getPadHTML(self, padID):
         self.get_epc()
-        text=self.epc.getHTML(padID=self.group["groupID"] + "$" + padID)["html"]
+        text = self.epc.getHTML(padID=self.group["groupID"] + "$" + padID)["html"]
         return text
-    def setPadHTML(self, padID,html):
+
+    def setPadHTML(self, padID, html):
         self.get_epc()
-        text=self.epc.setHTML(padID=self.group["groupID"] + "$" + padID, html=html)
+        self.epc.setHTML(padID=self.group["groupID"] + "$" + padID, html=html)
         return html
+
     def checkPadExists(self, padID=None):
         print(self.epc.listPads(groupID=self.group["groupID"]))
         if not padID:
diff --git a/fet2020/posts/forms.py b/fet2020/posts/forms.py
index 0494b230..3bee2b9a 100644
--- a/fet2020/posts/forms.py
+++ b/fet2020/posts/forms.py
@@ -88,7 +88,7 @@ class MyEventForm(MyPostForm):
 
 
 class MyFetMeetingForm(MyEventForm):
-    #agenda_html = forms.CharField(widget = forms.TextInput())
+    # agenda_html = forms.CharField(widget = forms.TextInput())
     class Meta:
         model = FetMeeting
 
diff --git a/fet2020/posts/models.py b/fet2020/posts/models.py
index 8da2cfe2..0304e802 100644
--- a/fet2020/posts/models.py
+++ b/fet2020/posts/models.py
@@ -102,16 +102,15 @@ class Post(models.Model):
     def agenda_html(self):
         if not self.agenda_key:
             return None
-        h=ep.getPadHTML(self.agenda_key)
+        h = ep.getPadHTML(self.agenda_key)
         return h
 
     @agenda_html.setter
     def agenda_html(self, value):
         request_logger.info("Accessing etherpad ...")
-        h=ep.setPadHTML(self.agenda_key,value)
+        ep.setPadHTML(self.agenda_key, value)
         request_logger.info("set etherpad!")
         return value
-        
 
     @property
     def get_tagnames(self):
@@ -156,16 +155,9 @@ class Post(models.Model):
         if not self.public_date:
             self.public_date = timezone.now()
 
-        if (self.id is None) and (not self.slug):
+        if not self.slug:
             self.slug = slugify(self.public_date.date()) + "-" + slugify(self.title)
 
-        if self.has_agenda:
-            self.agenda_key = ep.createPadifNotExists(self.slug + "-agenda")
-
-        if self.has_protocol:
-            self.protocol_key = ep.createPadifNotExists(self.slug + "-protocol")
-        request_logger.info(self.post_type)
-
         super().save(*args, **kwargs)
 
         self.tags.set(
@@ -178,7 +170,8 @@ class Post(models.Model):
 
 
 class PostSerializer(serializers.HyperlinkedModelSerializer):
-    agenda_html=serializers.CharField()
+    agenda_html = serializers.CharField()
+
     class Meta:
         model = Post
         fields = [
@@ -255,31 +248,54 @@ class FetMeeting(Event):
         verbose_name = "Fet Sitzung"
         verbose_name_plural = "Fet Sitzungen"
 
+    def __get_slug(self):
+        self.slug = slugify(self.event_start.date()) + "-" + slugify("Fachschaftssitzung")
+
+        if Post.objects.filter(slug=self.slug).exists():
+            if Post.objects.get(slug=self.slug).id != self.id:
+                raise ValidationError(
+                    _('Es existiert bereits eine Sitzung mit demselben Datum.')
+                )
+
+    def __get_agenda_key(self):
+        try:
+            self.agenda_key = ep.createPadifNotExists(self.slug + "-agenda")
+        except Exception as e:
+            raise ValidationError(
+                _('Die Agenda konnte nicht erstellt werden. Error: %(error)s'),
+                params={'error': str(e)},
+            )
+
+    def __get_protocol_key(self):
+        try:
+            self.protocol_key = ep.createPadifNotExists(self.slug + "-protocol")
+        except Exception as e:
+            raise ValidationError(
+                _('Das Protokoll konnte nicht erstellt werden. Error: %(error)s'),
+                params={'error': str(e)},
+            )
+
     def clean(self):
         if self.event_start is None:
             raise ValidationError(_('Das Datum des Events fehlt.'))
         elif (self.event_end) and (self.event_end < self.event_start):
             raise ValidationError(_('Das Ende des Events liegt vor dem Beginn.'))
 
-        slug = slugify(self.event_start.date()) + "-" + slugify("Fachschaftssitzung")
+        if not self.slug:
+            self.__get_slug()
 
-        if Post.objects.filter(slug=slug).exists():
-            if Post.objects.get(slug=slug).id != self.id:
-                raise ValidationError(_('Es existiert bereits eine Sitzung mit demselben Datum.'))
+        if self.has_agenda:
+            self.__get_agenda_key()
+
+        if self.has_protocol:
+            self.__get_protocol_key()
 
     def save(self, *args, **kwargs):
         self.title = "Fachschaftssitzung"
-        if not self.slug:
-            self.slug = slugify(self.event_start.date()) + "-" + slugify(self.title)
-        self.body = "TODO: Agenda + Protokoll Link"
 
         # TODO
         # self.image
 
-        # TODO
-        # self.protocol_key
-        # self.agenda_key
-
         if not self.post_type:
             self.post_type = 'F'