2 files changed, 10 insertions, 7 deletions
diff --git a/src/client/views/nodes/LinkEditor.tsx b/src/client/views/nodes/LinkEditor.tsx
index e6cc50620..a97ec8831 100644
--- a/src/client/views/nodes/LinkEditor.tsx
+++ b/src/client/views/nodes/LinkEditor.tsx
@@ -177,9 +177,10 @@ export class LinkGroupEditor extends React.Component<LinkGroupEditorProps> {
         LinkManager.Instance.deleteGroupType(groupType);
     }
 
-    copyGroup = (groupType: string): void => {
+    copyGroup = async (groupType: string): Promise<void> => {
         let sourceGroupDoc = this.props.groupDoc;
-        let sourceMdDoc = Cast(sourceGroupDoc.metadata, Doc, new Doc);
+        const sourceMdDoc = await Cast(sourceGroupDoc.metadata, Doc);
+        if (!sourceMdDoc) return;
 
         let destDoc = LinkManager.Instance.getOppositeAnchor(this.props.linkDoc, this.props.sourceDoc);
         // let destGroupList = LinkManager.Instance.getAnchorGroups(this.props.linkDoc, destDoc);
diff --git a/src/client/views/nodes/LinkMenuItem.tsx b/src/client/views/nodes/LinkMenuItem.tsx
index 4dee6741f..9728671c0 100644
--- a/src/client/views/nodes/LinkMenuItem.tsx
+++ b/src/client/views/nodes/LinkMenuItem.tsx
@@ -56,11 +56,13 @@ export class LinkMenuItem extends React.Component<LinkMenuItemProps> {
 
         let mdRows: Array<JSX.Element> = [];
         if (groupDoc) {
-            let mdDoc = Cast(groupDoc.metadata, Doc, new Doc);
-            let keys = LinkManager.Instance.getMetadataKeysInGroup(this.props.groupType);//groupMetadataKeys.get(this.props.groupType);
-            mdRows = keys.map(key => {
-                return (<div key={key} className="link-metadata-row"><b>{key}</b>: {StrCast(mdDoc[key])}</div>);
-            });
+            let mdDoc = Cast(groupDoc.metadata, Doc, null);
+            if (mdDoc) {
+                let keys = LinkManager.Instance.getMetadataKeysInGroup(this.props.groupType);//groupMetadataKeys.get(this.props.groupType);
+                mdRows = keys.map(key => {
+                    return (<div key={key} className="link-metadata-row"><b>{key}</b>: {StrCast(mdDoc[key])}</div>);
+                });
+            }
         }
 
         return (<div className="link-metadata">{mdRows}</div>);