diff --git a/src/LogLevel.php b/src/LogLevel.php
index f8891ec2..b7452021 100644
--- a/src/LogLevel.php
+++ b/src/LogLevel.php
@@ -25,12 +25,12 @@ enum LogLevel: string
 {
     use ValuesTrait;
 
-    case EMERGENCY = PLogLevel::EMERGENCY;
-    case ALERT = PLogLevel::ALERT;
-    case CRITICAL = PLogLevel::CRITICAL;
-    case ERROR = PLogLevel::ERROR;
-    case WARNING = PLogLevel::WARNING;
-    case NOTICE = PLogLevel::NOTICE;
-    case INFO = PLogLevel::INFO;
-    case DEBUG = PLogLevel::DEBUG;
+    case EMERGENCY = 'emergency';
+    case ALERT = 'alert';
+    case CRITICAL = 'critical';
+    case ERROR = 'error';
+    case WARNING = 'warning';
+    case NOTICE = 'notice';
+    case INFO = 'info';
+    case DEBUG = 'debug';
 }
\ No newline at end of file
diff --git a/template/core/classes/class_response_parser.php b/template/core/classes/class_response_parser.php
index 85a739b5..3f493704 100644
--- a/template/core/classes/class_response_parser.php
+++ b/template/core/classes/class_response_parser.php
@@ -79,6 +79,7 @@ public function getConfig(): <?php echo PHPFHIR_CLASSNAME_CONFIG; ?>
      * @param null|string|array|\stdClass|\SimpleXMLElement|\DOMDocument $input
      * @return null|\<?php echo ('' === $namespace ? '' : "{$namespace}\\") . PHPFHIR_INTERFACE_TYPE; ?>
 
+     * @throws \Exception
      */
     public function parse(null|string|array|\stdClass|\SimpleXMLElement|\DOMDocument $input): null|<?php echo PHPFHIR_INTERFACE_TYPE; ?>
 
@@ -144,7 +145,6 @@ public function parseSimpleXMLElement(\SimpleXMLElement $input): null|<?php echo
 
     {
         $elementName = $input->getName();
-        $className = <?php echo PHPFHIR_CLASSNAME_TYPEMAP; ?>::getTypeClass($elementName);
         /** @var \<?php echo ('' === $namespace ? '' : "{$namespace}\\") . PHPFHIR_INTERFACE_TYPE; ?> $fhirType */
         $fhirType = <?php echo PHPFHIR_CLASSNAME_TYPEMAP; ?>::getTypeClass($elementName);
         if (null === $fhirType) {
@@ -189,22 +189,12 @@ public function parseObject(\stdClass|\SimpleXMLElement|\DOMDocument $input): nu
      * @param string $input
      * @return null|\<?php echo ('' === $namespace ? '' : "{$namespace}\\") . PHPFHIR_INTERFACE_TYPE; ?>
 
+     * @throws \Exception
      */
     public function parseXml(string $input): null|<?php echo PHPFHIR_INTERFACE_TYPE; ?>
 
     {
-        libxml_use_internal_errors(true);
-        $sxe = new \SimpleXMLElement($input, $this->config->getLibxmlOpts();
-        $err = libxml_get_last_error();
-        libxml_use_internal_errors(false);
-        if (false === $err) {
-            return $this->parseSimpleXMLElement($dom);
-        }
-        throw new \DomainException(sprintf(
-            'Unable to parse provided input as XML.  Error: %s; Input: %s',
-            $err ? $err->message : 'Unknown',
-            $this->getPrintableStringInput($input)
-        ));
+        return $this->parseSimpleXMLElement(new \SimpleXMLElement($input, $this->config->getLibxmlOpts()));
     }
 
     /**
@@ -232,6 +222,7 @@ public function parseJson(string $input): null|<?php echo PHPFHIR_INTERFACE_TYPE
      * @param string $input
      * @return null|\<?php echo ('' === $namespace ? '' : "{$namespace}\\") . PHPFHIR_INTERFACE_TYPE; ?>
 
+     * @throws \Exception
      */
     public function parseString(string $input): null|<?php echo PHPFHIR_INTERFACE_TYPE; ?>