Using blueprints to remove tabs in the Admin Panel

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1

Hello,
I have built a theme and I want to remove the Options and the Advanced tabs in the Admin Panel.
The blueprint is read correctly and the form is displayed without the Advanced tab, but whenever I stry to save the page the Admin panel throws an exception:

TypeError
Argument 1 passed to Grav\Common\Page\Page::move() must be an instance of Grav\Common\Page\Page, null given, called in /home/chavdar/dev/html/root/user/plugins/admin/classes/controller.php on line 1867

Without the ignore on the Advanced tab, the page is saved successfully. This is the blueprint I am using:

title: Featured work
'@extends':
    type: default
    context: blueprints://pages

form:
  fields:
    tabs:
      type: tabs
      active: 1
 
      fields:
        advanced:
            type: ignore
        featuredProj:
          type: tab
          title: Featured work

          fields:
            header.buttons:
                name: buttons
                type: list
                label: Buttons
                fields:
                    .text:
                        type: text
                        label: Text
                    .url:
                        type: text
                        label: URL
                    .primary:
                        type: toggle
                        label: Primary
                        highlight: 1
                        default: 1
                        options:
                            1: 'Yes'
                            0: 'No'
                        validate:
                            type: bool

It’s probably a newbie error, but I am unable to locate my mistake and I hope someone can help me.
Thanks!

2

You can’t simply use type: ignore. That’s not a valid field type. You should use unset@: true : https://learn.getgrav.org/forms/blueprints/advanced-features#removing-fields-properties-unset