Fix empty IDs for redirects & tracked 404 errors

src/Redirects/Stache/ErrorRepository.php

@@ -50,8 +50,7 @@ public function save(Error $error): void
         }
 
         if (! $error->id()) {
-            $slug = Str::slug($error->url());
-            $id = $slug;
+            $id = $slug = $this->generateId($error->url());
             $suffix = 1;
 
             while ($this->query()->where('id', $id)->where('site', $error->site())->first()) {
@@ -69,6 +68,15 @@ public function delete(Error $error): void
         $this->store->delete($error);
     }
 
+    private function generateId(string $url): string
+    {
+        if ($slug = Str::slug($url)) {
+            return $slug;
+        }
+
+        return $this->stache->generateId();
+    }
+
     public function blueprint(): Blueprint
     {
         return (new ErrorBlueprint)();

src/Redirects/Stache/RedirectRepository.php

@@ -50,8 +50,7 @@ public function save(Redirect $redirect): void
         }
 
         if (! $redirect->id()) {
-            $slug = Str::slug($redirect->source());
-            $id = $slug;
+            $id = $slug = $this->generateId($redirect->source());
             $suffix = 1;
 
             while ($this->query()->where('id', $id)->where('site', $redirect->site())->first()) {
@@ -69,6 +68,15 @@ public function delete(Redirect $redirect): void
         $this->store->delete($redirect);
     }
 
+    private function generateId(string $source): string
+    {
+        if ($slug = Str::slug($source)) {
+            return $slug;
+        }
+
+        return $this->stache->generateId();
+    }
+
     public function blueprint(): Blueprint
     {
         return (new RedirectBlueprint)();

tests/Redirects/Stache/ErrorRepositoryTest.php

@@ -7,6 +7,7 @@
 use Statamic\SeoPro\Facades;
 use Statamic\SeoPro\Redirects\Error;
 use Statamic\SeoPro\Redirects\Stache\ErrorRepository;
+use Statamic\Support\Str;
 use Statamic\Testing\Concerns\PreventsSavingStacheItemsToDisk;
 use Tests\TestCase;
 
@@ -75,6 +76,20 @@ public function it_generates_id_from_url_when_saving_without_id()
         $this->assertEquals('broken-link', $error->id());
     }
 
+    #[Test]
+    public function it_generates_a_uuid_id_when_url_cannot_be_slugged()
+    {
+        $error = Facades\Error::make()
+            ->url('/)')
+            ->hits(1)
+            ->lastHitAt('2026-04-21 12:00:00');
+
+        $this->repo->save($error);
+
+        $this->assertTrue(Str::isUuid($error->id()));
+        $this->assertStringContainsString('errors/'.$error->id().'.yaml', $error->path());
+    }
+
     #[Test]
     public function it_appends_suffix_when_generated_id_already_exists()
     {

tests/Redirects/Stache/RedirectRepositoryTest.php

@@ -7,6 +7,7 @@
 use Statamic\SeoPro\Facades;
 use Statamic\SeoPro\Redirects\Redirect;
 use Statamic\SeoPro\Redirects\Stache\RedirectRepository;
+use Statamic\Support\Str;
 use Statamic\Testing\Concerns\PreventsSavingStacheItemsToDisk;
 use Tests\TestCase;
 
@@ -80,6 +81,21 @@ public function it_generates_id_from_source_when_saving_without_id()
         $this->assertEquals('old-url', $redirect->id());
     }
 
+    #[Test]
+    public function it_generates_a_uuid_id_when_source_cannot_be_slugged()
+    {
+        $redirect = Facades\Redirect::make()
+            ->source('/)')
+            ->destination('/new-url')
+            ->responseCode(301)
+            ->enabled(true);
+
+        $this->repo->save($redirect);
+
+        $this->assertTrue(Str::isUuid($redirect->id()));
+        $this->assertStringContainsString('redirects/'.$redirect->id().'.yaml', $redirect->path());
+    }
+
     #[Test]
     public function it_appends_suffix_when_generated_id_already_exists()
     {