Bugfix/fix exception in portfolio calculator (#4119)

* Add guard

* Update changelog

CHANGELOG.md

@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
+- Fixed an exception in the caching of the portfolio snapshot in the portfolio calculator
 - Fixed the import of `jsonpath` to support REST APIs (`JSON`) via the scraper configuration
 
 ## 2.127.0 - 2024-12-08

apps/api/src/services/queues/portfolio-snapshot/portfolio-snapshot.processor.ts

@@ -86,7 +86,7 @@ export class PortfolioSnapshotProcessor {
 
       const expiration = addMilliseconds(
         new Date(),
-        snapshot.errors.length === 0
+        (snapshot?.errors?.length ?? 0) === 0
           ? this.configurationService.get('CACHE_QUOTES_TTL')
           : 0
       );