AssertionError: "Pictogram" must be defined in MODULE_NAME.field_type_categories.yml in assert() (line 183 of core/lib/Drupal/Core/Field/FieldTypePluginManager.php).

Problem/Motivation

On a clean install of Drupal 11, when attempting to add a new field with the module installed, a WSOD results with the following error message:

The website encountered an unexpected error. Try again later.

AssertionError: "Pictogram" must be defined in MODULE_NAME.field_type_categories.yml in assert() (line 183 of core/lib/Drupal/Core/Field/FieldTypePluginManager.php).
Drupal\Core\Field\FieldTypePluginManager->getGroupedDefinitions() (Line: 131)
Drupal\field_ui\Form\FieldStorageAddForm->processFieldDefinitions() (Line: 80)
Drupal\field_ui\Form\FieldStorageAddForm->buildForm()
call_user_func_array() (Line: 528)
Drupal\Core\Form\FormBuilder->retrieveForm() (Line: 279)
Drupal\Core\Form\FormBuilder->buildForm() (Line: 73)
Drupal\Core\Controller\FormController->getContentResult()
call_user_func_array() (Line: 123)
Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 593)
Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 121)
Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->wrapControllerExecutionInRenderContext() (Line: 97)
Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 183)
Symfony\Component\HttpKernel\HttpKernel->handleRaw() (Line: 76)
Symfony\Component\HttpKernel\HttpKernel->handle() (Line: 53)
Drupal\Core\StackMiddleware\Session->handle() (Line: 48)
Drupal\Core\StackMiddleware\KernelPreHandle->handle() (Line: 28)
Drupal\Core\StackMiddleware\ContentLength->handle() (Line: 32)
Drupal\big_pipe\StackMiddleware\ContentLength->handle() (Line: 116)
Drupal\page_cache\StackMiddleware\PageCache->pass() (Line: 90)
Drupal\page_cache\StackMiddleware\PageCache->handle() (Line: 48)
Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle() (Line: 51)
Drupal\Core\StackMiddleware\NegotiationMiddleware->handle() (Line: 36)
Drupal\Core\StackMiddleware\AjaxPageState->handle() (Line: 51)
Drupal\Core\StackMiddleware\StackedHttpKernel->handle() (Line: 709)
Drupal\Core\DrupalKernel->handle() (Line: 19)

Steps to reproduce

- install Drupal 11
- install Module
- attempt to add a new field to a content type
- observe the WSOD and error message

Proposed resolution

- Create a icons.field_type_categories.yml in the module root.