From 02765ce86429819c8b7960983fcc06ff4e3b5a35 Mon Sep 17 00:00:00 2001
From: Thomas Kaul <4159106+dtslvr@users.noreply.github.com>
Date: Tue, 25 Aug 2026 18:00:14 +0200
Subject: [PATCH] Improve validation of activities and asset profiles when
 combining custom asset profile symbol with data source other than MANUAL

---
 apps/api/src/app/import/import.service.ts            | 12 ++++++++++++
 .../services/data-provider/data-provider.service.ts  |  2 +-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/apps/api/src/app/import/import.service.ts b/apps/api/src/app/import/import.service.ts
index 3d37aaeb9..313325f04 100644
--- a/apps/api/src/app/import/import.service.ts
+++ b/apps/api/src/app/import/import.service.ts
@@ -227,6 +227,18 @@ export class ImportService {
         throw new Error(
           `assetProfiles.${index}.symbol ("${symbol}") must be a UUID or start with the prefix "${ghostfolioPrefix}_" for the data source ("${DataSource.MANUAL}")`
         );
+      } else if (
+        dataSource !== DataSource.MANUAL &&
+        isValidCustomAssetProfileSymbol(symbol)
+      ) {
+        const maskedDataSource = getMaskedGhostfolioDataSource({
+          dataSource,
+          ghostfolioDataSources
+        });
+
+        throw new Error(
+          `assetProfiles.${index}.symbol ("${symbol}") is not valid for the data source ("${maskedDataSource}")`
+        );
       }
     }
 
diff --git a/apps/api/src/services/data-provider/data-provider.service.ts b/apps/api/src/services/data-provider/data-provider.service.ts
index 5dd274751..00d6b74bc 100644
--- a/apps/api/src/services/data-provider/data-provider.service.ts
+++ b/apps/api/src/services/data-provider/data-provider.service.ts
@@ -260,7 +260,7 @@ export class DataProviderService implements OnModuleInit {
         isValidCustomAssetProfileSymbol(symbol)
       ) {
         throw new Error(
-          `${activityPath}.symbol ("${symbol}") is not valid for the specified data source ("${maskedDataSource}")`
+          `${activityPath}.symbol ("${symbol}") is not valid for the data source ("${maskedDataSource}")`
         );
       }