diff --git a/MangaDexPy/author.py b/MangaDexPy/author.py
index ccc88cd..b79cfa9 100644
--- a/MangaDexPy/author.py
+++ b/MangaDexPy/author.py
@@ -3,11 +3,12 @@ class Author:
     __slots__ = ("id", "name", "image", "bio", "created_at", "updated_at", "client")
 
     def __init__(self, data, rel, client):
-        self.id = data["id"]
-        self.name = data["attributes"]["name"]
-        self.image = data["attributes"]["imageUrl"]
-        self.bio = data["attributes"]["biography"]
-        self.created_at = data["attributes"]["createdAt"]
-        self.updated_at = data["attributes"]["updatedAt"]
+        self.id = data.get("id")
+        _attrs = data.get("attributes")
+        self.name = _attrs.get("name")
+        self.image = _attrs.get("imageUrl")
+        self.bio = _attrs.get("biography")
+        self.created_at = _attrs.get("createdAt")
+        self.updated_at = _attrs.get("updatedAt")
         self.client = rel  # Dummy assignment for the search helper to work properly. Does not affect the object.
         self.client = client
diff --git a/MangaDexPy/chapter.py b/MangaDexPy/chapter.py
index 633059b..a4620d9 100644
--- a/MangaDexPy/chapter.py
+++ b/MangaDexPy/chapter.py
@@ -4,17 +4,18 @@ class Chapter:
                  "created_at", "updated_at", "parent_manga", "group", "uploader", "client")
 
     def __init__(self, data, rel, client):
-        self.id = data["id"]
-        self.volume = data["attributes"]["volume"]
-        self.chapter = data["attributes"]["chapter"]
-        self.title = data["attributes"]["title"]
-        self.language = data["attributes"]["translatedLanguage"]
-        self.hash = data["attributes"]["hash"]
-        self.pages = data["attributes"]["data"]
-        self.pages_redux = data["attributes"]["dataSaver"]
-        self.published_at = data["attributes"]["publishAt"]
-        self.created_at = data["attributes"]["createdAt"]
-        self.updated_at = data["attributes"]["updatedAt"]
+        self.id = data.get("id")
+        _attrs = data.get("attributes")
+        self.volume = _attrs.get("volume")
+        self.chapter = _attrs.get("chapter")
+        self.title = _attrs.get("title")
+        self.language = _attrs.get("translatedLanguage")
+        self.hash = _attrs.get("hash")
+        self.pages = _attrs.get("data")
+        self.pages_redux = _attrs.get("dataSaver")
+        self.published_at = _attrs.get("publishAt")
+        self.created_at = _attrs.get("createdAt")
+        self.updated_at = _attrs.get("updatedAt")
         try:
             _manga = [x["attributes"] for x in rel if x["type"] == "manga"]
             from .manga import Manga
diff --git a/MangaDexPy/cover.py b/MangaDexPy/cover.py
index 6eb6d93..bdb372d 100644
--- a/MangaDexPy/cover.py
+++ b/MangaDexPy/cover.py
@@ -4,14 +4,15 @@ class Cover:
                  "updated_at", "client")
 
     def __init__(self, data, rel, client):
-        self.id = data["id"]
-        self.desc = data["attributes"]["description"]
-        self.volume = data["attributes"]["volume"]
-        self.file = data["attributes"]["fileName"]
+        self.id = data.get("id")
+        _attrs = data.get("attributes")
+        self.desc = _attrs.get("description")
+        self.volume = _attrs.get("volume")
+        self.file = _attrs.get("fileName")
         self.parent_manga = next((x["id"] for x in rel if x["type"] == "manga"), None)
         self.url = f"https://uploads.mangadex.org/covers/{self.parent_manga}/{self.file}"
         self.url_512 = f"{self.url}.512.jpg"
         self.url_256 = f"{self.url}.256.jpg"
-        self.created_at = data["attributes"]["createdAt"]
-        self.updated_at = data["attributes"]["updatedAt"]
+        self.created_at = _attrs.get("createdAt")
+        self.updated_at = _attrs.get("updatedAt")
         self.client = client
diff --git a/MangaDexPy/group.py b/MangaDexPy/group.py
index 0158ea7..6dd5069 100644
--- a/MangaDexPy/group.py
+++ b/MangaDexPy/group.py
@@ -6,11 +6,12 @@ class Group:
     __slots__ = ("id", "name", "leader", "members", "created_at", "updated_at", "client")
 
     def __init__(self, data, rel, client):
-        self.id = data["id"]
-        self.name = data["attributes"]["name"]
-        self.leader = User(data["attributes"]["leader"], [], client)
-        self.members = [User(x, [], client) for x in data["attributes"]["members"]]
-        self.created_at = data["attributes"]["createdAt"]
-        self.updated_at = data["attributes"]["updatedAt"]
+        self.id = data.get("id")
+        _attrs = data.get("attributes")
+        self.name = _attrs.get("name")
+        self.leader = User(_attrs.get("leader"), [], client)
+        self.members = [User(x, [], client) for x in _attrs.get("members")]
+        self.created_at = _attrs.get("createdAt")
+        self.updated_at = _attrs.get("updatedAt")
         self.client = rel  # Dummy assignment for the search helper to work properly. Does not affect the object.
         self.client = client
diff --git a/MangaDexPy/manga.py b/MangaDexPy/manga.py
index 2245079..3005d70 100644
--- a/MangaDexPy/manga.py
+++ b/MangaDexPy/manga.py
@@ -5,22 +5,22 @@ class Manga:
                  "client")
 
     def __init__(self, data, rel, client):
-        self.id = data["id"]
-        self.title = data["attributes"]["title"]
-        self.titles = data["attributes"]["altTitles"]
-        self.desc = data["attributes"]["description"]
-        self.locked = data["attributes"]["isLocked"]
-        self.links = data["attributes"]["links"]
-        self.language = data["attributes"]["originalLanguage"]
-        self.last_volume = data["attributes"]["lastVolume"]
-        self.last_chapter = data["attributes"]["lastChapter"]
-        self.type = data["attributes"]["publicationDemographic"]
-        self.status = data["attributes"]["status"]
-        self.year = data["attributes"]["year"]
-        self.content = data["attributes"]["contentRating"]
-        self.tags = [MangaTag(x) for x in data["attributes"]["tags"]]
-        self.created_at = data["attributes"]["createdAt"]
-        self.updated_at = data["attributes"]["updatedAt"]
+        self.id = data.get("id")
+        _attrs = data.get("attributes")
+        self.title = _attrs.get("title")
+        self.titles = _attrs.get("altTitles")
+        self.desc = _attrs.get("description")
+        self.links = _attrs.get("links")
+        self.language = _attrs.get("originalLanguage")
+        self.last_volume = _attrs.get("lastVolume")
+        self.last_chapter = _attrs.get("lastChapter")
+        self.type = _attrs.get("publicationDemographic")
+        self.status = _attrs.get("status")
+        self.year = _attrs.get("year")
+        self.content = _attrs.get("contentRating")
+        self.tags = [MangaTag(x) for x in _attrs.get("tags")]
+        self.created_at = _attrs.get("createdAt")
+        self.updated_at = _attrs.get("updatedAt")
         try:
             _author = [x["attributes"] for x in rel if x["type"] == "author"]
             from .author import Author
@@ -54,5 +54,5 @@ class MangaTag:
     __slots__ = ("id", "name")
 
     def __init__(self, data):
-        self.id = data["id"]
-        self.name = data["attributes"]["name"]
+        self.id = data.get("id")
+        self.name = data.get("attributes").get("name")
diff --git a/MangaDexPy/user.py b/MangaDexPy/user.py
index 79fc3ac..5ac1f6b 100644
--- a/MangaDexPy/user.py
+++ b/MangaDexPy/user.py
@@ -3,7 +3,8 @@ class User:
     __slots__ = ("id", "username", "client")
 
     def __init__(self, data, rel, client):
-        self.id = data["id"]
-        self.username = data["attributes"]["username"]
+        self.id = data.get("id")
+        _attrs = data.get("attributes")
+        self.username = _attrs.get("username")
         self.client = rel  # Dummy assignment for the search helper to work properly. Does not affect the object.
         self.client = client
diff --git a/setup.py b/setup.py
index 3071d7b..6192f11 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@
       packages=[
           "MangaDexPy"
       ],
-      version='2.0.5',
+      version='2.0.6',
       description='An API wrapper for the MangaDexAPIv5.',
       long_description=long_description,
       long_description_content_type='text/markdown',