Fix Template Load Error

Signed-off-by: OscarDHdz <v-ohernandez@expediagroup.com>

.changeset/strong-pears-wink.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-scaffolder': patch
+---
+
+Fix display error when it fails to load a template (/create) page

plugins/scaffolder/src/api.ts

@@ -136,7 +136,7 @@ export class ScaffolderClient implements ScaffolderApi {
     });
 
     if (!response.ok) {
-      throw ResponseError.fromResponse(response);
+      throw await ResponseError.fromResponse(response);
     }
 
     const schema: TemplateParameterSchema = await response.json();