Cannot delete friends which arent friends

backend-services/friend-service/src/Friends/FriendManager.ts

@@ -16,6 +16,11 @@ export class FriendManager {
   }
 
   public RemoveFriend = async (user1: string, user2: string): Promise<void> => {
+    
+    if(await FriendDataStore.GetFriendByUsers(user1, user2) === null){
+      throw new Error("Users are not friends!");
+    }
+
     return await FriendDataStore.RemoveFriend(user1, user2);
   }
 }
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