From f518ea4593e766cb29c551cf286e44db3a55c427 Mon Sep 17 00:00:00 2001
From: "k.triantafyllou" <k.triantafyllou@di.uoa.gr>
Date: Mon, 28 Nov 2022 13:19:33 +0200
Subject: [PATCH] Remove content providers: Add extra condition if a cirteria
 field is null.

---
 .../content-providers/remove-content-providers.component.ts     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/app/pages/content-providers/remove-content-providers.component.ts b/src/app/pages/content-providers/remove-content-providers.component.ts
index 47c8858..ad47053 100644
--- a/src/app/pages/content-providers/remove-content-providers.component.ts
+++ b/src/app/pages/content-providers/remove-content-providers.component.ts
@@ -83,7 +83,7 @@ export class RemoveContentProvidersComponent implements OnInit {
   
   getFiltersAsText(criteria: Criteria[]): string {
     let text = criteria.slice(0, 3).map((criterion, index) => (index + 1) + ". " + criterion.constraint.map(constraint => {
-      let field = this.fields.find(field => field.value === constraint.field).label;
+      let field = this.fields.find(field => field.value === constraint.field)?.label;
       let matchCase = false;
       if (!constraint.verb.includes('_caseinsensitive')) {
         matchCase = true;