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path: root/src/client/views/collections/CollectionNoteTakingViewColumn.tsx
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-rw-r--r--src/client/views/collections/CollectionNoteTakingViewColumn.tsx2
1 files changed, 1 insertions, 1 deletions
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);