fix tests

mui · Dec 2, 2024 · cd4188f · cd4188f
1 parent 21113f1
commit cd4188f
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/packages/x-data-grid-pro/src/hooks/features/rowPinning/useGridRowPinningPreProcessors.ts b/packages/x-data-grid-pro/src/hooks/features/rowPinning/useGridRowPinningPreProcessors.ts
@@ -111,7 +111,8 @@ export const useGridRowPinningPreProcessors = (
 
       if (prevPinnedRowsCache) {
         const pinnedRowCleanup = (rowId: GridRowId) => {
-          if (newGroupingParams.tree[rowId].type === 'pinnedRow') {
+          const node = newGroupingParams.tree[rowId];
+          if (node?.type === 'pinnedRow') {
             delete newGroupingParams.tree[rowId];
             delete newGroupingParams.dataRowIdToModelLookup[rowId];
             delete newGroupingParams.dataRowIdToIdLookup[rowId];