diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5e8fe76ca6..1e6176b264 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -24,7 +24,9 @@ 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 `HtmlTemplateMiddleware`
+- 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 8723466b03..09bf1108eb 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,
diff --git a/apps/api/src/services/data-provider/financial-modeling-prep/financial-modeling-prep.service.ts b/apps/api/src/services/data-provider/financial-modeling-prep/financial-modeling-prep.service.ts
index ec4aa39c05..4e3502033b 100644
--- a/apps/api/src/services/data-provider/financial-modeling-prep/financial-modeling-prep.service.ts
+++ b/apps/api/src/services/data-provider/financial-modeling-prep/financial-modeling-prep.service.ts
@@ -47,7 +47,7 @@ import {
   isSameDay,
   parseISO
 } from 'date-fns';
-import { uniqBy } from 'lodash';
+import { isArray, uniqBy } from 'lodash';
 
 @Injectable()
 export class FinancialModelingPrepService
@@ -440,10 +440,14 @@ export class FinancialModelingPrepService
               signal: AbortSignal.timeout(requestTimeout)
             }
           )
-          .then(
-            (res) =>
-              res.json() as unknown as { price: number; symbol: string }[]
-          )
+          .then(async (res) => {
+            const json = (await res.json()) as unknown as {
+              price: number;
+              symbol: string;
+            }[];
+
+            return isArray(json) ? json : [];
+          })
       ]);
 
       for (const { currency, symbolTarget } of assetProfileResolutions) {