Module not found: Error: Can't resolve 'part:@sanity/desk-tool/structure

import S from '@sanity/desk-tool/structure-builder'

export default () =>
  S.list()
    .title('Contentss')
    .items([
      // List out all the document types in schema.js
      ...S.documentTypeListItems(),
      // Add a new list item for projects by category
      S.listItem()
        .title('Projects by category')
        .child(
          // List out all categories
          S.documentTypeList('department')
            .title('Projects by category')
            .child(catId =>
              // List out project documents where the _id for the selected
              // category appear as a _ref in the project's categories array
              S.documentList()
                .schemaType('person')
                .title('Projects')
                .filter(
                  '_type == "person" && $catId in departments[]._ref'
                )
                .params({ catId })
            )
        ),
    ])