diff --git a/src/servala/core/crd.py b/src/servala/core/crd.py
index e414168..8c31a27 100644
--- a/src/servala/core/crd.py
+++ b/src/servala/core/crd.py
@@ -6,7 +6,7 @@ from django.db import models
 from django.forms.models import ModelForm, ModelFormMetaclass
 from django.utils.translation import gettext_lazy as _
 
-from servala.core.models import ServiceInstance, ControlPlaneCRD
+from servala.core.models import ControlPlaneCRD, ServiceInstance
 from servala.frontend.forms.widgets import DynamicArrayField, DynamicArrayWidget
 
 
diff --git a/src/servala/core/forms.py b/src/servala/core/forms.py
index 9742233..36f8be5 100644
--- a/src/servala/core/forms.py
+++ b/src/servala/core/forms.py
@@ -178,8 +178,80 @@ class ServiceDefinitionAdminForm(forms.ModelForm):
                     {"form_config": _("Schema error: {}").format(e.message)}
                 )
 
+            self._validate_field_mappings(form_config, cleaned_data)
+
         return cleaned_data
 
+    def _validate_field_mappings(self, form_config, cleaned_data):
+        if not self.instance.pk:
+            return
+        crd = self.instance.offering_control_planes.all().first()
+        if not crd:
+            return
+
+        schema = None
+        try:
+            schema = crd.resource_schema
+        except Exception as e:
+            pass
+
+        if not schema or not (spec_schema := schema.get("properties", {}).get("spec")):
+            return
+
+        valid_paths = self._extract_field_paths(spec_schema, "spec") | {"name"}
+        included_mappings = set()
+        errors = []
+        for fieldset in form_config.get("fieldsets", []):
+            for field in fieldset.get("fields", []):
+                mapping = field.get("controlplane_field_mapping")
+                included_mappings.add(mapping)
+                if mapping and mapping not in valid_paths:
+                    field_name = field.get("name", mapping)
+                    errors.append(
+                        _(
+                            "Field '{}' has invalid mapping '{}'. Valid paths are: {}"
+                        ).format(
+                            field_name,
+                            mapping,
+                            ", ".join(sorted(valid_paths)[:10])
+                            + ("..." if len(valid_paths) > 10 else ""),
+                        )
+                    )
+
+        if "name" not in included_mappings:
+            raise forms.ValidationError(
+                {
+                    "form_config": _(
+                        "You must include a `name` field in the custom form config."
+                    )
+                }
+            )
+
+        if errors:
+            raise forms.ValidationError({"form_config": errors})
+
+    def _extract_field_paths(self, schema, prefix=""):
+        paths = set()
+
+        if not isinstance(schema, dict):
+            return paths
+
+        if "type" in schema and schema["type"] != "object":
+            if prefix:
+                paths.add(prefix)
+
+        if schema.get("properties"):
+            for prop_name, prop_schema in schema["properties"].items():
+                new_prefix = f"{prefix}.{prop_name}" if prefix else prop_name
+                paths.add(new_prefix)
+                paths.update(self._extract_field_paths(prop_schema, new_prefix))
+
+        if schema.get("type") == "array" and "items" in schema:
+            if prefix:
+                paths.add(prefix)
+
+        return paths
+
     def save(self, *args, **kwargs):
         self.instance.api_definition = self.cleaned_data["api_definition"]
         return super().save(*args, **kwargs)
diff --git a/src/servala/frontend/forms/organization.py b/src/servala/frontend/forms/organization.py
index 86ba0ab..45e7b11 100644
--- a/src/servala/frontend/forms/organization.py
+++ b/src/servala/frontend/forms/organization.py
@@ -8,7 +8,6 @@ from servala.core.models import Organization, OrganizationInvitation, Organizati
 from servala.core.odoo import get_invoice_addresses, get_odoo_countries
 from servala.frontend.forms.mixins import HtmxMixin
 
-
 ORG_NAME_PATTERN = r"[\w\s\-.,&'()+]+"
 
 
diff --git a/src/servala/frontend/views/service.py b/src/servala/frontend/views/service.py
index 2c6923e..0f9800e 100644
--- a/src/servala/frontend/views/service.py
+++ b/src/servala/frontend/views/service.py
@@ -123,7 +123,9 @@ class ServiceOfferingDetailView(OrganizationViewMixin, HtmxViewMixin, DetailView
     def context_object(self):
         if self.request.method == "POST":
             return ControlPlaneCRD.objects.filter(
-                pk=self.request.POST.get("expert-context", self.request.POST.get("custom-context")),
+                pk=self.request.POST.get(
+                    "expert-context", self.request.POST.get("custom-context")
+                ),
                 # Make sure we don’t use a malicious ID
                 control_plane__in=self.planes,
             ).first()
@@ -131,19 +133,27 @@ class ServiceOfferingDetailView(OrganizationViewMixin, HtmxViewMixin, DetailView
             control_plane=self.selected_plane, service_offering=self.object
         ).first()
 
-
     def get_instance_form_kwargs(self, ignore_data=False):
-        return {"initial": {
-            "organization": self.request.organization,
-            "context": self.context_object,
-            }, "prefix": "expert", "data": self.request.POST if (self.request.method == "POST" and not ignore_data) else None
-                  }
+        return {
+            "initial": {
+                "organization": self.request.organization,
+                "context": self.context_object,
+            },
+            "prefix": "expert",
+            "data": (
+                self.request.POST
+                if (self.request.method == "POST" and not ignore_data)
+                else None
+            ),
+        }
 
     def get_instance_form(self, ignore_data=False):
         if not self.context_object or not self.context_object.model_form_class:
             return
 
-        return self.context_object.model_form_class(**self.get_instance_form_kwargs(ignore_data=ignore_data))
+        return self.context_object.model_form_class(
+            **self.get_instance_form_kwargs(ignore_data=ignore_data)
+        )
 
     def get_custom_instance_form(self, ignore_data=False):
         if not self.context_object or not self.context_object.custom_model_form_class:
@@ -169,7 +179,9 @@ class ServiceOfferingDetailView(OrganizationViewMixin, HtmxViewMixin, DetailView
                 context["custom_service_form"] = self.get_custom_instance_form()
             else:
                 context["service_form"] = self.get_instance_form()
-                context["custom_service_form"] = self.get_custom_instance_form(ignore_data=True)
+                context["custom_service_form"] = self.get_custom_instance_form(
+                    ignore_data=True
+                )
         else:
             context["service_form"] = self.get_instance_form()
             context["custom_service_form"] = self.get_custom_instance_form()