>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #3547780. --> Reported by: [danrod](https://www.drupal.org/user/19150) Related to !11 >>> <h3 id="summary-problem-motivation">Problem/Motivation</h3> <p>I just upgraded my local environment to PHP 8.4 and I see a stream of warnings:</p> <pre>Deprecated: Drupal\ai_vdb_provider_postgres\Plugin\VdbProvider\PostgresProvider::getConnection(): Implicitly marking parameter $database as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/web/modules/contrib/ai_vdb_provider_postgres/src/Plugin/VdbProvider/PostgresProvider.php on line 68<br><br>Deprecated: Drupal\ai_vdb_provider_postgres\Plugin\VdbProvider\PostgresProvider::getCollections(): Implicitly marking parameter $database as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/web/modules/contrib/ai_vdb_provider_postgres/src/Plugin/VdbProvider/PostgresProvider.php on line 155<br><br>Deprecated: Drupal\ai_vdb_provider_postgres\Plugin\VdbProvider\PostgresProvider::createCollection(): Implicitly marking parameter $database as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/web/modules/contrib/ai_vdb_provider_postgres/src/Plugin/VdbProvider/PostgresProvider.php on line 168<br><br>Deprecated: Drupal\ai_vdb_provider_postgres\Plugin\VdbProvider\PostgresProvider::dropCollection(): Implicitly marking parameter $database as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/web/modules/contrib/ai_vdb_provider_postgres/src/Plugin/VdbProvider/PostgresProvider.php on line 197<br><br>Deprecated: Drupal\ai_vdb_provider_postgres\Plugin\VdbProvider\PostgresProvider::insertIntoCollection(): Implicitly marking parameter $database as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/web/modules/contrib/ai_vdb_provider_postgres/src/Plugin/VdbProvider/PostgresProvider.php on line 225<br><br>Deprecated: Drupal\ai_vdb_provider_postgres\Plugin\VdbProvider\PostgresProvider::deleteFromCollection(): Implicitly marking parameter $database as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/web/modules/contrib/ai_vdb_provider_postgres/src/Plugin/VdbProvider/PostgresProvider.php on line 252<br><br>Deprecated: Drupal\ai_vdb_provider_postgres\Plugin\VdbProvider\PostgresProvider::querySearch(): Implicitly marking parameter $database as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/web/modules/contrib/ai_vdb_provider_postgres/src/Plugin/VdbProvider/PostgresProvider.php on line 303<br><br>Deprecated: Drupal\ai_vdb_provider_postgres\Plugin\VdbProvider\PostgresProvider::vectorSearch(): Implicitly marking parameter $database as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/web/modules/contrib/ai_vdb_provider_postgres/src/Plugin/VdbProvider/PostgresProvider.php on line 329<br><br>Deprecated: Drupal\ai_vdb_provider_postgres\Plugin\VdbProvider\PostgresProvider::getVdbIds(): Implicitly marking parameter $database as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/web/modules/contrib/ai_vdb_provider_postgres/src/Plugin/VdbProvider/PostgresProvider.php on line 362</pre><h4 id="summary-steps-reproduce">Steps to reproduce</h4> <p>Install this module in a PHP 8.4 instance</p> <h3 id="summary-proposed-resolution">Proposed resolution</h3> <p>See this <a href="https://php.watch/versions/8.4/implicitly-marking-parameter-type-nullable-deprecated">link</a> for a fix.</p> <h3 id="summary-remaining-tasks">Remaining tasks</h3> <p>Testing.</p> <h3 id="summary-ui-changes">User interface changes</h3> <p>N/A</p> <h3 id="summary-api-changes">API changes</h3> <p>N/A</p> <h3 id="summary-data-model-changes">Data model changes</h3> <p>N/A</p>