From 9ecb5909c706f5dc81405f33554e3d7cebe919fb Mon Sep 17 00:00:00 2001
From: Thomas Kaul <4159106+dtslvr@users.noreply.github.com>
Date: Wed, 15 Jul 2026 12:06:47 +0200
Subject: [PATCH] Bugfix/startup error in data gathering caused by
 uninitialized data provider mappings (#7333)

* Initialize data provider mappings

* Update changelog
---
 CHANGELOG.md                                                 | 1 +
 apps/api/src/services/data-provider/data-provider.service.ts | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7827af0c8..e218513b7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -24,6 +24,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
+- Resolved a startup error in data gathering caused by uninitialized data provider mappings
 - Improved the error handling in the get quotes functionality of the _Financial Modeling Prep_ service
 
 ## 3.26.0 - 2026-07-14
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 8723466b0..09bf1108e 100644
--- a/apps/api/src/services/data-provider/data-provider.service.ts
+++ b/apps/api/src/services/data-provider/data-provider.service.ts
@@ -44,7 +44,7 @@ import { AssetProfileInvalidError } from './errors/asset-profile-invalid.error';
 export class DataProviderService implements OnModuleInit {
   private readonly logger = new Logger(DataProviderService.name);
 
-  private dataProviderMapping: { [dataProviderName: string]: string };
+  private dataProviderMapping: { [dataProviderName: string]: string } = {};
 
   public constructor(
     private readonly configurationService: ConfigurationService,