diff --git a/README.md b/README.md
index 1400942..fed1121 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-![](https://img.shields.io/badge/SDK-v13.0.0-blue) <Please check version is the same as specified in requirements.txt>
+![](https://img.shields.io/badge/SDK-v14.0.0-blue) <Please check version is the same as specified in requirements.txt>
 
 # PLAXIS embankment evaluator
 This sample app shows how to integrate PLAXIS into a VIKTOR application. In this application the following tutorial is
diff --git a/app/__init__.py b/app/__init__.py
index 4086c93..5a5f8c6 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -16,7 +16,21 @@
 SOFTWARE.
 """
 
-from app.embankment.controller import EmbankmentController
-from app.embankment_folder.controller import EmbankmentFolderController
-from app.material.controller import MaterialController
-from app.material_folder.controller import MaterialFolderController
+from app.embankment.controller import EmbankmentController as Embankment
+from app.embankment_folder.controller import EmbankmentFolderController as EmbankmentFolder
+from app.material.controller import MaterialController as Material
+from app.material_folder.controller import MaterialFolderController as MaterialFolder
+
+from viktor import InitialEntity
+
+initial_entities = [
+    InitialEntity('EmbankmentFolder', name='Embankments', children=[
+        InitialEntity('Embankment', name='sample embankment', params='../manifest/Embankment/sample-embankment.json')
+    ]),
+    InitialEntity('MaterialFolder', name='Materials', children=[
+        InitialEntity('Material', name='Embankment', params='../manifest/Material/embankment.json'),
+        InitialEntity('Material', name='Peat', params='../manifest/Material/peat.json'),
+        InitialEntity('Material', name='Clay', params='../manifest/Material/clay.json'),
+        InitialEntity('Material', name='Sand', params='../manifest/Material/sand.json')
+    ])
+]
diff --git a/app/embankment/visualisation.py b/app/embankment/visualisation.py
index 3c49f0a..fa11e5d 100644
--- a/app/embankment/visualisation.py
+++ b/app/embankment/visualisation.py
@@ -18,7 +18,7 @@
 import numpy as np
 from munch import Munch
 from viktor import Color
-from viktor import UserException
+from viktor import UserError
 from viktor.geometry import Group
 from viktor.geometry import Material
 from viktor.geometry import Point
@@ -37,7 +37,7 @@ def _check_params(params: Munch) -> None:
     ):
         err_list.append("Please make sure materials are defined for the embankment and soil layers")
     if err_list:
-        raise UserException(". ".join(err_list))
+        raise UserError(". ".join(err_list))
 
 
 def _get_rgb(value: int):
@@ -98,7 +98,7 @@ def get_embankment_geometry_group(params: Munch) -> Group:
         try:
             drain_depth = layers[params.geometry_tab.drain.depth - 1].points[-1].y
         except IndexError as err:
-            raise UserException("This drain depth is deeper than the amount of layers available") from err
+            raise UserError("This drain depth is deeper than the amount of layers available") from err
         drains = [
             Polygon(
                 points=[
diff --git a/manifest/Embankment/sample-embankment.json b/manifest/Embankment/sample-embankment.json
index 13ecfa2..2d00b50 100644
--- a/manifest/Embankment/sample-embankment.json
+++ b/manifest/Embankment/sample-embankment.json
@@ -1,5 +1,4 @@
 {
-  "name": "sample embankment",
   "geometry_tab": {
     "soil": {
       "width": 60,
diff --git a/manifest/Material/clay.json b/manifest/Material/clay.json
index 1c57896..2d06b86 100644
--- a/manifest/Material/clay.json
+++ b/manifest/Material/clay.json
@@ -1,5 +1,4 @@
 {
-  "name": "Clay",
   "param": {
     "phi": 25,
     "psi": 0,
diff --git a/manifest/Material/embankment.json b/manifest/Material/embankment.json
index 78c4a82..9648686 100644
--- a/manifest/Material/embankment.json
+++ b/manifest/Material/embankment.json
@@ -1,5 +1,4 @@
 {
-  "name": "Embankment",
   "param": {
     "phi": 30,
     "psi": 0,
diff --git a/manifest/Material/peat.json b/manifest/Material/peat.json
index 742b9a4..9b95900 100644
--- a/manifest/Material/peat.json
+++ b/manifest/Material/peat.json
@@ -1,5 +1,4 @@
 {
-  "name": "Peat",
   "param": {
     "phi": 23,
     "psi": 0,
diff --git a/manifest/Material/sand.json b/manifest/Material/sand.json
index 4ecc72a..fe346df 100644
--- a/manifest/Material/sand.json
+++ b/manifest/Material/sand.json
@@ -1,5 +1,4 @@
 {
-  "name": "Sand",
   "param": {
     "phi": 33,
     "psi": 3,
diff --git a/manifest/manifest.yml b/manifest/manifest.yml
deleted file mode 100644
index 08ce560..0000000
--- a/manifest/manifest.yml
+++ /dev/null
@@ -1,33 +0,0 @@
-version: '1'
-entity_types:
-  EmbankmentFolder:
-    has_designer: false
-    show_properties: false
-  Embankment:
-    has_designer: true
-    show_properties: false
-  MaterialFolder:
-    has_designer: false
-    show_properties: false
-  Material:
-    has_designer: true
-    show_properties: false
-entities:
-- entity_type: EmbankmentFolder
-  properties:
-    name: Embankments
-  children:
-    - entity_type: Embankment
-      properties: Embankment/sample-embankment.json
-- entity_type: MaterialFolder
-  properties:
-    name: Materials
-  children:
-    - entity_type: Material
-      properties: Material/embankment.json
-    - entity_type: Material
-      properties: Material/peat.json
-    - entity_type: Material
-      properties: Material/clay.json
-    - entity_type: Material
-      properties: Material/sand.json
diff --git a/requirements.txt b/requirements.txt
index 35985e2..a99c847 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,3 @@
-# viktor==13.0.0
+viktor==14.0.0
 plotly==5.5.0
-numpy==1.21.5
-pandas==1.3.*
 munch==2.5.0
diff --git a/viktor.config.toml b/viktor.config.toml
new file mode 100644
index 0000000..522bbfb
--- /dev/null
+++ b/viktor.config.toml
@@ -0,0 +1 @@
+app_type = 'tree'
\ No newline at end of file