@@ -12,6 +12,13 @@ interface Props {
 
 const LoadTutorialSummary = (props: Props) => {
 const { data, error, loading } = useFetch<TT.Tutorial>(props.url)
+if (loading) {
+return <LoadingPage text="Loading tutorial summary..." />
+}
+if (error) {
+console.log(`Failed to load tutorial summary: ${error}`)
+return <div>Error loading summary</div>
+}
 if (!data) {
 return (
 <Dialog
@@ -24,15 +31,23 @@ const LoadTutorialSummary = (props: Props) => {
 No data returned for tutorial
 </Dialog>
 )
+} else {
+// quick validation
+if (!data?.config?.repo) {
+return (
+<Dialog
+title="Invalid Tutorial"
+visible={true}
+closeable={false}
+footerActions={['ok']}
+onOk={props.onReturnToSelection}
+>
+Loaded data does not match tutorial format
+</Dialog>
+)
+}
+props.onLoadSummary(data)
 }
-if (loading) {
-return <LoadingPage text="Loading tutorial summary..." />
-}
-if (error) {
-console.log(`Failed to load tutorial summary: ${error}`)
-return <div>Error loading summary</div>
-}
-props.onLoadSummary(data)
 return null
 }