diff --git a/module/actor/actor-sheet.js b/module/actor/actor-sheet.js
index 43157f3..7360b54 100644
--- a/module/actor/actor-sheet.js
+++ b/module/actor/actor-sheet.js
@@ -153,8 +153,8 @@ export class BoLActorSheet extends ActorSheet {
     formData.bougette = this.actor.getBougette()
     formData.charType = this.actor.getCharType()
     formData.villainy = this.actor.getVillainy()    
-    formData.biography = await TextEditor.enrichHTML(this.object.system.details.biography, {async: true})
-    formData.notes = await TextEditor.enrichHTML(this.object.system.details.notes, {async: true})
+    formData.biography = await TextEditor.enrichHTML(this.object.system.details?.biography || "", {async: true})
+    formData.notes = await TextEditor.enrichHTML(this.object.system.details.notes || "", {async: true})
     formData.isSorcerer = this.actor.isSorcerer()
     formData.isAlchemist = this.actor.isAlchemist()
     formData.isAstrologer = this.actor.isAstrologer()
diff --git a/system.json b/system.json
index 72ae92b..3033c83 100644
--- a/system.json
+++ b/system.json
@@ -17,8 +17,7 @@
   "version": "10.5.2",
   "compatibility": {
     "minimum": "10",
-    "verified": "10",
-    "maximum": "10"
+    "verified": "10"
   },
   "esmodules": [
     "module/bol.js"
@@ -209,4 +208,4 @@
   "gridUnits": "m",
   "primaryTokenAttribute": "resources.hp",
   "secondaryTokenAttribute": "resources.hero"
-}
\ No newline at end of file
+}