Update for Foundry v13

module/item/item-sheet.js

@@ -4,7 +4,7 @@ import { BoLUtility } from "../system/bol-utility.js";
  * Extend the basic ItemSheet with some very simple modifications
  * @extends {ItemSheet}
  */
-export class BoLItemSheet extends ItemSheet {
+export class BoLItemSheet extends foundry.appv1.sheets.ItemSheet {
 
   /** @override */
   static get defaultOptions() {
@@ -27,7 +27,7 @@ export class BoLItemSheet extends ItemSheet {
     data.category = itemData.system.category
     data.isGM = game.user.isGM;
     data.itemProperties = this.item.itemProperties;
-    data.description = await TextEditor.enrichHTML(this.object.system.description, { async: true })
+    data.description = await foundry.applications.ux.TextEditor.implementation.enrichHTML(this.object.system.description, { async: true })
     if (data.document.actor) {
       data.careers = data.document.actor.careers
     }