Can't Install Jellyfin using Storage Pool (User Permissions are correct + Strange Error)

Can’t Install Jellyfin using Storage Pool (Aditional Storage = Host Path) (User Permissions are correct)

OS Version:TrueNAS-SCALE-24.10.0.2
Model:AMD Ryzen 5 8600G w/ Radeon 760M Graphics
Memory:31 GiB
Using a Pool of 3x 16tb HDD + 1Tb MVME as RaidZ1

Error Message Below:
Does someone knows how to fix that?

[EFAULT] Failed to render compose templates: Traceback (most recent call last): File “/usr/bin/apps_render_app”, line 33, in sys.exit(load_entry_point(‘apps-validation==0.1’, ‘console_scripts’, ‘apps_render_app’)()) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File “/usr/lib/python3/dist-packages/catalog_templating/scripts/render_compose.py”, line 47, in main render_templates_from_path(args.path, args.values) File “/usr/lib/python3/dist-packages/catalog_templating/scripts/render_compose.py”, line 19, in render_templates_from_path rendered_data = render_templates( ^^^^^^^^^^^^^^^^^ File “/usr/lib/python3/dist-packages/catalog_templating/render.py”, line 36, in render_templates ).render({‘ix_lib’: template_libs, ‘values’: test_values}) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File “/usr/lib/python3/dist-packages/jinja2/environment.py”, line 1301, in render self.environment.handle_exception() File “/usr/lib/python3/dist-packages/jinja2/environment.py”, line 936, in handle_exception raise rewrite_traceback_stack(source=source) File “/mnt/.ix-apps/app_configs/jellyfin/versions/1.1.3/templates/docker-compose.yaml”, line 37, in top-level template code {% do c1.add_storage(store.mount_path, store) %} ^^^^^^^^^^^^^^^^^^^^^^^^^ File “/mnt/.ix-apps/app_configs/jellyfin/versions/1.1.3/templates/library/base_v2_0_14/container.py”, line 182, in add_storage self._storage.add(mount_path, config) File “/mnt/.ix-apps/app_configs/jellyfin/versions/1.1.3/templates/library/base_v2_0_14/storage.py”, line 85, in add mount_path = valid_fs_path_or_raise(mount_path) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File “/mnt/.ix-apps/app_configs/jellyfin/versions/1.1.3/templates/library/base_v2_0_14/validations.py”, line 96, in valid_fs_path_or_raise path = _valid_path_or_raise(path) ^^^^^^^^^^^^^^^^^^^^^^^^^^ File “/mnt/.ix-apps/app_configs/jellyfin/versions/1.1.3/templates/library/base_v2_0_14/validations.py”, line 104, in _valid_path_or_raise raise RenderError(f"Path [{path}] must start with /") base_v2_0_14.error.RenderError: Path [Media] must start with /

Error: Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/middlewared/job.py", line 488, in run
    await self.future
  File "/usr/lib/python3/dist-packages/middlewared/job.py", line 535, in __run_body
    rv = await self.middleware.run_in_thread(self.method, *args)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/middlewared/main.py", line 1364, in run_in_thread
    return await self.run_in_executor(io_thread_pool_executor, method, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/middlewared/main.py", line 1361, in run_in_executor
    return await loop.run_in_executor(pool, functools.partial(method, *args, **kwargs))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/concurrent/futures/thread.py", line 58, in run
    result = self.fn(*self.args, **self.kwargs)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/middlewared/service/crud_service.py", line 268, in nf
    rv = func(*args, **kwargs)
         ^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/middlewared/schema/processor.py", line 55, in nf
    res = f(*args, **kwargs)
          ^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/middlewared/schema/processor.py", line 183, in nf
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/middlewared/plugins/apps/crud.py", line 203, in do_create
    return self.create_internal(job, app_name, version, data['values'], complete_app_details)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/middlewared/plugins/apps/crud.py", line 248, in create_internal
    raise e from None
  File "/usr/lib/python3/dist-packages/middlewared/plugins/apps/crud.py", line 233, in create_internal
    update_app_config(app_name, version, new_values)
  File "/usr/lib/python3/dist-packages/middlewared/plugins/apps/ix_apps/lifecycle.py", line 59, in update_app_config
    render_compose_templates(
  File "/usr/lib/python3/dist-packages/middlewared/plugins/apps/ix_apps/lifecycle.py", line 50, in render_compose_templates
    raise CallError(f'Failed to render compose templates: {cp.stderr}')
middlewared.service_exception.CallError: [EFAULT] Failed to render compose templates: Traceback (most recent call last):
  File "/usr/bin/apps_render_app", line 33, in <module>
    sys.exit(load_entry_point('apps-validation==0.1', 'console_scripts', 'apps_render_app')())
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/catalog_templating/scripts/render_compose.py", line 47, in main
    render_templates_from_path(args.path, args.values)
  File "/usr/lib/python3/dist-packages/catalog_templating/scripts/render_compose.py", line 19, in render_templates_from_path
    rendered_data = render_templates(
                    ^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/catalog_templating/render.py", line 36, in render_templates
    ).render({'ix_lib': template_libs, 'values': test_values})
      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/usr/lib/python3/dist-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/mnt/.ix-apps/app_configs/jellyfin/versions/1.1.3/templates/docker-compose.yaml", line 37, in top-level template code
    {% do c1.add_storage(store.mount_path, store) %}
  ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/mnt/.ix-apps/app_configs/jellyfin/versions/1.1.3/templates/library/base_v2_0_14/container.py", line 182, in add_storage
    self._storage.add(mount_path, config)
  File "/mnt/.ix-apps/app_configs/jellyfin/versions/1.1.3/templates/library/base_v2_0_14/storage.py", line 85, in add
    mount_path = valid_fs_path_or_raise(mount_path)
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/mnt/.ix-apps/app_configs/jellyfin/versions/1.1.3/templates/library/base_v2_0_14/validations.py", line 96, in valid_fs_path_or_raise
    path = _valid_path_or_raise(path)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/mnt/.ix-apps/app_configs/jellyfin/versions/1.1.3/templates/library/base_v2_0_14/validations.py", line 104, in _valid_path_or_raise
    raise RenderError(f"Path [{path}] must start with /")
base_v2_0_14.error.RenderError: Path [Media] must start with /

believe I followed you here from jellyfin forum, I’m seeing same error with multiple apps

The error message says that one of the mount paths doesn’t start with a /. Check in the storage section that the mount paths are absolute paths (start with a /).