### What happened? https://forum.matomo.org/t/warning-core-filechecks-php-153/55817 Matomo update from Matomo 5.0.2 to Matomo 5.0.3. After updating to Matomo 5.03 following message is shown in “Alle Webseiten”: ``` WARNING: /core/Filechecks.php(153): Deprecated - trim(): Passing null to parameter #1 ($string) of type string is deprecated - Matomo 5.0.2 (Module: CoreUpdater, Action: newVersionAvailable, In CLI mode: false) ``` ### What should happen? No warning message. ### How can this be reproduced? Matomo update from Matomo 5.0.2 to Matomo 5.0.3. Then go to “Alle Webseiten”: ### Matomo version 5.0.2 > 5.0.3 ### PHP version probably 8.x ### Server operating system unknown ### What browsers are you seeing the problem on? _No response_ ### Computer operating system _No response_ ### Relevant log output _No response_ ### Validations - [X] Read our [Contributing Guidelines](https://github.com/matomo-org/matomo/blob/5.x-dev/CONTRIBUTING.md). - [X] Follow our [Security Policy](https://github.com/matomo-org/matomo/blob/5.x-dev/SECURITY.md). - [X] Check that there isn't already an issue that reports the same bug to avoid creating duplicates. - [X] The provided steps to reproduce is a [minimal reproducible](https://stackoverflow.com/help/minimal-reproducible-example) of the Bug.