diff --git a/.github/workflows/error.yml b/.github/workflows/error.yml
new file mode 100644
index 0000000..938f98e
--- /dev/null
+++ b/.github/workflows/error.yml
@@ -0,0 +1,27 @@
+name: "Error"
+
+on:
+  ["push", "workflow_dispatch"]
+
+jobs:
+  asd:
+    runs-on: ubuntu-latest
+    name: ASD documents
+    steps:
+
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Error profile
+        id: asd
+        uses: ./ # Uses an action in the root directory
+        with:
+          profile: tests/profile/error.xml
+
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ${{ steps.asd.outputs.dir}}
+          destination_dir: ${{ steps.asd.outputs.dir}}
+
diff --git a/entrypoint.sh b/entrypoint.sh
index 0d6d936..57cc4fb 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -3,5 +3,10 @@
 composer require koriym/app-state-diagram
 dirname=$(dirname $2)
 ./vendor/bin/asd --config=$1 $2
-echo "Output Directory: $dirname"
-echo "::set-output name=dir::$dirname"
+if [ $? -ne "0" ]; then
+  echo "ASD error"
+  exit 1
+else
+  echo "Output Directory: $dirname"
+  echo "::set-output name=dir::$dirname"
+fi
diff --git a/tests/profile/error.xml b/tests/profile/error.xml
new file mode 100644
index 0000000..49d7206
--- /dev/null
+++ b/tests/profile/error.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<alps
+     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+     xsi:noNamespaceSchemaLocation="https://alps-io.github.io/schemas/alps.xsd">
+    <title>Error</title>
+
+    <!-- Ontology -->
+
+    <!-- Taxonomy -->
+    <descriptor href="#id" />
+</alps>