--- Sniff-copy.php	2024-03-09 19:32:08.461032000 +1000
+++ Sniff.php	2024-03-09 19:32:11.705121200 +1000
@@ -128,7 +128,10 @@
         static $arrTestVersions = array();
 
         $default     = array(null, null);
-        $testVersion = trim(PHPCSHelper::getConfigData('testVersion'));
+		
+		// DM - fix null getting passed to trim
+		$helper = PHPCSHelper::getConfigData('testVersion');
+        $testVersion = trim(is_null($helper)?'':$helper);
 
         if (empty($testVersion) === false && isset($arrTestVersions[$testVersion]) === false) {