fix: resolves #1048

app/Http/Controllers/CitationController.php

@@ -88,4 +88,4 @@ public function destroy(Request $request, UpdateProject $updater, Project $proje
 
         return $request->wantsJson() ? new JsonResponse('', 200) : back()->with('success', 'Citation deleted successfully');
     }
-}
+}

app/Http/Middleware/HandleInertiaRequests.php

@@ -83,4 +83,4 @@ public function share(Request $request)
             'DATACITE_API' => env('DATACITE_API'),
         ]);
     }
-}
+}

app/Http/Middleware/XFrameOptions.php

@@ -20,9 +20,15 @@ public function handle(Request $request, Closure $next): Response
         if ($request->route()->getName() == 'embed') {
             return $response->header('Content-Security-Policy', 'frame-src data: blob: *');
         } else {
-            $xframeOptions = 'SAMEORIGIN';
 
-            return $response->header('X-Frame-Options', $xframeOptions);
+            if ($response instanceof \Illuminate\Http\Response) {
+                $xframeOptions = 'SAMEORIGIN';
+
+                return $response->header('X-Frame-Options', $xframeOptions);
+            } else {
+                return $response;
+            }
+
         }
     }
 }

database/migrations/2024_01_22_160016_remove_abstract_from_citation_table.php

@@ -25,4 +25,4 @@ public function down(): void
             $table->string('abstract')->nullable();
         });
     }
-};
+};