some bugfixes

1 files changed, 4 insertions, 1 deletions

diff --git a/src/new_fields/CursorField.ts b/src/new_fields/CursorField.ts
index fd86031a8..28467377b 100644
--- a/src/new_fields/CursorField.ts
+++ b/src/new_fields/CursorField.ts
@@ -2,7 +2,7 @@ import { ObjectField } from "./ObjectField";
 import { observable } from "mobx";
 import { Deserializable } from "../client/util/SerializationHelper";
 import { serializable, createSimpleSchema, object, date } from "serializr";
-import { OnUpdate, ToScriptString, Copy } from "./FieldSymbols";
+import { OnUpdate, ToScriptString, ToString, Copy } from "./FieldSymbols";
 
 export type CursorPosition = {
     x: number,
@@ -60,4 +60,7 @@ export default class CursorField extends ObjectField {
     [ToScriptString]() {
         return "invalid";
     }
+    [ToString]() {
+        return "invalid";
+    }
 }
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