Unable to Delete Knowledge Base CategoriesDescriptionUnable to Delete Knowledge Base Categories Release or EnvironmentNew York Patch 9ResolutionThis is Expected behavior, To delete category from kb_category table there are certain conditions needs to be met. Admin also has to satisfy the condition as there is no "Admin Override" checkbox checked on the ACL. 1. You should be manager/owner of the knowledge base.2. The category should be the last child category and none of the article should be using that category.Additional InformationBelow is the community article for your reference:https://community.servicenow.com/community?id=community_question&sys_id=6a2ec3eddb9cdbc01dcaf3231f961905