Blueprints: show error in alert dialog when clicked (#16684)

src/panels/config/blueprint/ha-blueprint-overview.ts

@@ -321,6 +321,12 @@ class HaBlueprintOverview extends LitElement {
       (b) => b.path === ev.detail.id
     );
     if (blueprint.error) {
+      showAlertDialog(this, {
+        title: this.hass.localize("ui.panel.config.blueprint.overview.error", {
+          path: blueprint.path,
+        }),
+        text: blueprint.name,
+      });
       return;
     }
     this._createNew(blueprint);

src/translations/en.json

@@ -2637,6 +2637,7 @@
               "automation": "automations",
               "script": "scripts"
             },
+            "error": "{path} could not be loaded",
             "blueprint_in_use_title": "This blueprint is in use, and can not be deleted",
             "blueprint_in_use_text": "Please remove all below {type} that use this blueprint before deleting it. {list}",
             "blueprint_in_use_view": "view {type}",