TypeError: array_intersect(): Argument #1 ($array) must be of type array, string given in array_intersect() (line 203 of .../core/modules/ckeditor5/src/Plugin/CKEditor5PluginManager.php).

Problem/Motivation

Getting WSOD on /admin/config/content/formats/manage/[format id]
and /node/add/article and /node/*/edit

Error:
TypeError: array_intersect(): Argument #1 ($array) must be of type array, string given en array_intersect() (linea 203 de /home/labagate/public_html/labagatela.org/web/core/modules/ckeditor5/src/Plugin/CKEditor5PluginManager.php).

Steps to reproduce

1. Migrating from drupal 7 to drupal 10.09
2. Changing text format editor from Ckeditor 5 to nothing