From 78ac87b8acf63079071e5e8805692ed8c30042ce Mon Sep 17 00:00:00 2001
From: bobzel <zzzman@gmail.com>
Date: Wed, 23 Apr 2025 22:02:36 -0400
Subject: lots of typechecking fixes.

---
 src/client/views/collections/CollectionNoteTakingViewColumn.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/client/views/collections/CollectionNoteTakingViewColumn.tsx')

diff --git a/src/client/views/collections/CollectionNoteTakingViewColumn.tsx b/src/client/views/collections/CollectionNoteTakingViewColumn.tsx
index f283b0abe..461689a70 100644
--- a/src/client/views/collections/CollectionNoteTakingViewColumn.tsx
+++ b/src/client/views/collections/CollectionNoteTakingViewColumn.tsx
@@ -155,7 +155,7 @@ export class CollectionNoteTakingViewColumn extends ObservableReactComponent<CSV
     // all docs are added to the column directly to the left.
     @undoBatch
     deleteColumn = () => {
-        const colHdrData = Array.from(Cast(this._props.Doc[this._props.fieldKey + '_columnHeaders'], listSpec(SchemaHeaderField), null));
+        const colHdrData = Array.from(Cast(this._props.Doc[this._props.fieldKey + '_columnHeaders'], listSpec(SchemaHeaderField), [])!);
         if (this._props.headingObject) {
             //          this._props.docList.forEach(d => (d['$'+this._props.pivotField] = undefined));
             colHdrData.splice(colHdrData.indexOf(this._props.headingObject), 1);
-- 
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