diff --git a/KNPY/__init__.py b/KNPY/__init__.py
index 3096c55..8647d03 100644
--- a/KNPY/__init__.py
+++ b/KNPY/__init__.py
@@ -269,29 +269,38 @@ class KNPY(Service):
             "visitorId": self._visitor_id
         }
 
-        if "authorization" not in self.session.headers:
-            self.session.headers["authorization"] = f"Bearer {self._jwt}"
-            self.session.headers["x-version"] = self.API_VERSION
-            self.session.headers["user-agent"] = self.USER_AGENT
+        self.session.headers.setdefault("authorization", f"Bearer {self._jwt}")
+        self.session.headers.setdefault("x-version", self.API_VERSION)
+        self.session.headers.setdefault("user-agent", self.USER_AGENT)
 
-        r = self.session.post(
-            self.config["endpoints"]["plays"],
-            json=play_payload,
-        )
+        r = self.session.post(self.config["endpoints"]["plays"], json=play_payload)
+        response_json = None
+        try:
+            response_json = r.json()
+        except Exception:
+            pass
+
+        # Handle known errors gracefully
+        if r.status_code == 403:
+            if response_json and response_json.get("errorSubcode") == "playRegionRestricted":
+                self.log.error("Kanopy reports: This video is not available in your country.")
+                raise PermissionError(
+                    "Playback blocked by region restriction. Try connecting through a supported country or verify your library’s access region."
+                )
+            else:
+                self.log.error(f"Access forbidden (HTTP 403). Response: {response_json}")
+                raise PermissionError("Kanopy denied access to this video. It may require a different library membership or authentication.")
+        
+        # Raise for any other HTTP errors
         r.raise_for_status()
-        play_data = r.json()
+        play_data = response_json or r.json()
 
         manifest_url = None
         for manifest in play_data.get("manifests", []):
             if manifest["manifestType"] == "dash":
-                manifest_relative_url = manifest["url"]
-                if manifest_relative_url.startswith("/"):
-                    manifest_url = f"https://kanopy.com{manifest_relative_url}"
-                else:
-                    manifest_url = manifest_relative_url
-                    
+                url = manifest["url"]
+                manifest_url = f"https://kanopy.com{url}" if url.startswith("/") else url
                 drm_type = manifest.get("drmType")
-
                 if drm_type == "kanopyDrm":
                     play_id = play_data.get("playId")
                     self.widevine_license_url = self.config["endpoints"]["widevine_license"].format(license_id=f"{play_id}-0")
@@ -311,7 +320,8 @@ class KNPY(Service):
         self.log.info(f"Fetching DASH manifest from: {manifest_url}")
         r = self.session.get(manifest_url)
         r.raise_for_status()
-        
+
+        # Refresh headers for manifest parsing
         self.session.headers.clear()
         self.session.headers.update({
             "User-Agent": self.WIDEVINE_UA,
@@ -319,23 +329,23 @@ class KNPY(Service):
             "Accept-Encoding": "gzip, deflate",
             "Connection": "keep-alive",
         })
-        
+
         tracks = DASH.from_text(r.text, url=manifest_url).to_tracks(language=title.language)
-            
         for caption_data in play_data.get("captions", []):
-            lang_code = caption_data.get("language", "en")
+            lang = caption_data.get("language", "en")
             for file_info in caption_data.get("files", []):
                 if file_info.get("type") == "webvtt":
                     tracks.add(Subtitle(
-                        id_=f"caption-{lang_code}",
+                        id_=f"caption-{lang}",
                         url=file_info["url"],
                         codec=Subtitle.Codec.WebVTT,
-                        language=Language.get(lang_code)
+                        language=Language.get(lang)
                     ))
                     break
-
+                    
         return tracks
 
+
     def get_widevine_license(self, *, challenge: bytes, title: Title_T, track: AnyTrack) -> bytes:
         if not self.widevine_license_url:
             raise ValueError("Widevine license URL was not set. Call get_tracks first.")
@@ -394,4 +404,4 @@ class KNPY(Service):
     #     return results
 
     def get_chapters(self, title: Title_T) -> list:
-        return []
\ No newline at end of file
+        return []