Index: Classes/Persistence/Generic/Storage/Typo3DbBackend.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
diff --git a/Classes/Persistence/Generic/Storage/Typo3DbBackend.php b/Classes/Persistence/Generic/Storage/Typo3DbBackend.php
--- a/Classes/Persistence/Generic/Storage/Typo3DbBackend.php	
+++ b/Classes/Persistence/Generic/Storage/Typo3DbBackend.php	(date 1731308252678)
@@ -87,7 +87,7 @@
             $connection = $this->connectionPool->getConnectionForTable($tableName);
             $connection->insert($tableName, $fieldValues);
         } catch (DBALException $e) {
-            throw new SqlErrorException($e->getPrevious()->getMessage(), 1470230766, $e);
+            throw new SqlErrorException($e->getPrevious()?->getMessage()??$e->getMessage(), 1470230766, $e);
         }
 
         $uid = 0;