Sidebar cannot find app workspaces

[janecek.mato]

Hi, I am trying to use the new sidebar feature with a custom app.

I created a new app, a new module, and a workspace inside that app.

Now, I am facing some issues with the sidebar UI:

1. When I click on the app, the URL navigates to the one defined in hooks.py, but not on the first click.
2. When I open a Doctype under that app, the sidebar becomes blank.

Here is a short gif illustrating the issue:

Console Error:
I noticed the following error in the console:

Uncaught (in promise) TypeError: Cannot read properties of undefined (reading 'workspaces')
    at Sidebar.make_sidebar (desk.bundle.V6ESJGGS.js:sourcemap:18433:85)
    at AppsSwitcher.set_current_app (desk.bundle.V6ESJGGS.js:sourcemap:18768:26)
    at Workspace.show_page (desk.bundle.V6ESJGGS.js:sourcemap:41105:42)Understand this errorAI
desk.bundle.V6ESJGGS.js:sourcemap:18433 
Uncaught (in promise) TypeError: Cannot read properties of undefined (reading 'workspaces')
    at Sidebar.make_sidebar (desk.bundle.V6ESJGGS.js:sourcemap:18433:85)
    at AppsSwitcher.set_current_app (desk.bundle.V6ESJGGS.js:sourcemap:18768:26)
    at Object.update (desk.bundle.V6ESJGGS.js:sourcemap:31226:42)
    at Object.add (desk.bundle.V6ESJGGS.js:sourcemap:31198:12)
    at form.js:593:23

I performed a simple test in the console and found that the workspaces object is missing in the boot info.

How can I set or resolve this issue?

Screenshot of my console test:

Workspace Settings:

Framework: v15.x.x-develop (638b118) (develop)

Thank you very much for help.

[drobna]

Hi,

I’m working on a custom app and running into a similar issue with the sidebar. I’ve set up an app, module, and workspace, but sometimes the app doesn’t load properly on the first click. Also, when I open a Doctype, the sidebar turns blank.

I’m still learning Frappe, so I’m not sure if I’ve missed something during the setup. Did you manage to find a solution for this?

Thanks!

[janecek.mato]

Hi, I still haven’t found a solution.

[Gorkem]

I get the same error. Has anyone found a solution?

[zedd42]

I am also in the same situation. Have you guys found any solution

[ilyaszarfaoui]

Hi, I encountered the same issue. The problem was caused by the app name being case-sensitive in frappe.boot.app_data_map, while frappe.current_app returns the app name in lowercase.

To fix this, I modified the sidebar.js file in the Frappe source code.

Here was the original line:
let app_workspaces = frappe.boot.app_data_map[frappe.current_app || “frappe”].workspaces;

I replaced it with the following logic to ensure the correct casing:

let current_app_key = frappe.current_app || “frappe”;
if (current_app_key.toLowerCase() === “promotion_immo”) {
current_app_key = “Promotion_immo”; // Enforce correct capitalization
}
let app_workspaces = frappe.boot.app_data_map[current_app_key].workspaces;

In the browser console, when I checked frappe.boot.app_data_map, I noticed that the key was "Promotion_immo" (with an uppercase “P”), but the original code attempted to access it using "promotion_immo", which resulted in undefined. This patch ensures the correct key is used.