1 files changed, 6 insertions, 6 deletions
diff --git a/src/client/views/collections/CollectionNoteTakingView.tsx b/src/client/views/collections/CollectionNoteTakingView.tsx
index edd5ba96c..0e1601f35 100644
--- a/src/client/views/collections/CollectionNoteTakingView.tsx
+++ b/src/client/views/collections/CollectionNoteTakingView.tsx
@@ -55,11 +55,11 @@ export class CollectionNoteTakingView extends CollectionSubView() {
         const needsUnsetCategory = this.childDocs.some(d => !d[this.notetakingCategoryField] && !columnHeaders?.find(sh => sh.heading === 'unset'));
         if (needsUnsetCategory || columnHeaders === undefined || columnHeaders.length === 0) {
             setTimeout(() => {
-                const columnHeaders = Cast(this.dataDoc.columnHeaders, listSpec(SchemaHeaderField), null);
+                const columnHeaders = Array.from(Cast(this.dataDoc.columnHeaders, listSpec(SchemaHeaderField), null));
                 const needsUnsetCategory = this.childDocs.some(d => !d[this.notetakingCategoryField] && !columnHeaders?.find(sh => sh.heading === 'unset'));
-                if (needsUnsetCategory || columnHeaders === undefined || columnHeaders.length === 0) {
-                    if (columnHeaders) columnHeaders.push(new SchemaHeaderField('unset', undefined, undefined, 1));
-                    else this.dataDoc.columnHeaders = new List<SchemaHeaderField>();
+                if (needsUnsetCategory || columnHeaders.length === 0) {
+                    columnHeaders.push(new SchemaHeaderField('unset', undefined, undefined, 1));
+                    this.resizeColumns(columnHeaders);
                 }
             });
         }
@@ -321,7 +321,7 @@ export class CollectionNoteTakingView extends CollectionSubView() {
     // Removing example: column widths are [0.5, 0.30, 0.20] --> user deletes the final column --> column widths are [0.625, 0.375].
     // Adding example: column widths are [0.6, 0.4] --> user adds column at end --> column widths are [0.4, 0.267, 0.33]
     @action
-    resizeColumns = (isAdd: boolean, headers: SchemaHeaderField[], colIndex: number) => {
+    resizeColumns = (headers: SchemaHeaderField[]) => {
         const n = headers.length;
         const curWidths = headers.reduce((sum, hdr) => sum + Math.abs(hdr.width), 0);
         const scaleFactor = 1 / curWidths;
@@ -563,7 +563,7 @@ export class CollectionNoteTakingView extends CollectionSubView() {
         const columnHeaders = Array.from(Cast(this.props.Document.columnHeaders, listSpec(SchemaHeaderField), null));
         const newColWidth = 1 / (this.numGroupColumns + 1);
         columnHeaders.push(new SchemaHeaderField(value, undefined, undefined, newColWidth));
-        value && this.resizeColumns(true, columnHeaders, this.columnHeaders.length - 1);
+        value && this.resizeColumns(columnHeaders);
         return true;
     };