Initialize prefix field

alexgschwend · alexgschwend · commit 21d23aac0f2a · 2023-10-27T21:54:57.000+02:00
diff --git a/src/Engines/TypesenseEngine.php b/src/Engines/TypesenseEngine.php
@@ -145,7 +145,7 @@ class TypesenseEngine extends Engine
     /**
      * @var string|null
      */
-    private ?string $prefix;
+    private ?string $prefix = null;
 
     /**
      * TypesenseEngine constructor.
