1 files changed, 5 insertions, 1 deletions
diff --git a/frontend/src/app/_pages/add-model/add-model.component.ts b/frontend/src/app/_pages/add-model/add-model.component.ts
index b35b9fa4..2121dc3b 100644
--- a/frontend/src/app/_pages/add-model/add-model.component.ts
+++ b/frontend/src/app/_pages/add-model/add-model.component.ts
@@ -467,9 +467,13 @@ export class AddModelComponent implements OnInit {
 
   arrayColumn = (arr: any[][], n: number) => [...this.dropEmptyString(new Set(arr.map(x => x[n])))];
 
-  dropEmptyString(set: Set<string>): Set<string> {
+  dropEmptyString(set: Set<any>): Set<string> {
     if (set.has(""))
       set.delete("");
+    if (set.has(null))
+      set.delete(null);
+    if (set.has(undefined))
+      set.delete(undefined);
     return set;
   }