diff --git a/Makefile b/Makefile
index e89b8cc3107db4c7f9df8eeaa273d5dba3646af8..94b042d68c265ee864b17794a7f62247a7e96077 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 BASE=ordernumbers
 PLATTFORM=woocommerce
 VENDOR=opentools
-VERSION=1.3.7
+VERSION=1.3.7debug
 DIR = $(shell pwd)
 SVNDIR=wordpress-plugin-svn
 
diff --git a/opentools-update-checker.php b/opentools-update-checker.php
index e28bb38b6f4dd53fe2297598d5c18ebdda448c59..49f45ad0fa8e664a010c051c2f434af858edd72b 100644
--- a/opentools-update-checker.php
+++ b/opentools-update-checker.php
@@ -23,7 +23,7 @@ class OpenToolsPluginUpdateChecker extends PluginUpdateChecker_2_1 {
 	public function __construct($metadataUrl, $pluginFile, $slug = '', $checkPeriod = 12, $optionName = '', $muPluginFile = '')
 	{
 		parent::__construct($metadataUrl, $pluginFile, $slug, $checkPeriod, $optionName, $muPluginFile);
-// 		$this->debugMode = true;
+		$this->debugMode = TRUE;
 		$this->installOTHooks();
 	}
 	public function declareCredentials($credential_def) {
@@ -250,6 +250,9 @@ class OpenToolsPluginUpdateChecker extends PluginUpdateChecker_2_1 {
 			$success = ($status_code==200);
 		} else {
 			$message = __('Unable to access plugin download URL. Please check your credentials.');
+			if ($this->debugMode) {
+				$message .= "<pre>updateinfo: ".print_r($updateinfo,1)."</pre>";
+			}
 		}
 		return $success;
 	}
diff --git a/opentools-woocommerce-ordernumbers-advanced_v1.3.7debug.zip b/opentools-woocommerce-ordernumbers-advanced_v1.3.7debug.zip
new file mode 100644
index 0000000000000000000000000000000000000000..1bf750f9c19f4319d20042dc51cda0a346e164dc
Binary files /dev/null and b/opentools-woocommerce-ordernumbers-advanced_v1.3.7debug.zip differ
diff --git a/opentools-woocommerce-ordernumbers-basic_v1.3.7debug.zip b/opentools-woocommerce-ordernumbers-basic_v1.3.7debug.zip
new file mode 100644
index 0000000000000000000000000000000000000000..0aa808bb276c7b5fdde0e2a9a25a140e30a97037
Binary files /dev/null and b/opentools-woocommerce-ordernumbers-basic_v1.3.7debug.zip differ
diff --git a/plugin-update-checker/plugin-update-checker.php b/plugin-update-checker/plugin-update-checker.php
index 8a5c92f29099ba8ed01b82ed9ccd03351d5c6d6c..4971cc46c906ffd52348eba2bc1ec4551bae7619 100644
--- a/plugin-update-checker/plugin-update-checker.php
+++ b/plugin-update-checker/plugin-update-checker.php
@@ -221,7 +221,7 @@ class PluginUpdateChecker_2_1 {
 		);
 
 		//Try to parse the response
-		$pluginInfo = null;
+		$pluginInfo = new stdClass();
 		if ( !is_wp_error($result) && isset($result['response']['code']) && ($result['response']['code'] == 200) && !empty($result['body']) ){
 			$pluginInfo = PluginInfo_2_1::fromJson($result['body'], $this->debugMode);
 			$pluginInfo->filename = $this->pluginFile;
@@ -236,6 +236,7 @@ class PluginUpdateChecker_2_1 {
 				$message .= "wp_remote_get() returned an unexpected result.";
 			}
 			trigger_error($message, E_USER_WARNING);
+			$pluginInfo->response = $result;
 		}
 
 		$pluginInfo = apply_filters('puc_request_info_result-'.$this->slug, $pluginInfo, $result);
diff --git a/woocommerce-advanced-ordernumbers.php b/woocommerce-advanced-ordernumbers.php
index 8bfa2a4e3ea15e9774912c420b42c942332a8b27..23267efd2b1a487e7d50f4686443543f8a2e97ed 100644
--- a/woocommerce-advanced-ordernumbers.php
+++ b/woocommerce-advanced-ordernumbers.php
@@ -3,7 +3,7 @@
  * Plugin Name: Woocommerce Advanced Ordernumbers
  * Plugin URI: http://open-tools.net/woocommerce/advanced-ordernumbers-for-woocommerce.html
  * Description: Lets the user freely configure the order numbers in WooCommerce.
- * Version: 1.3.7
+ * Version: 1.3.7debug
  * Author: Open Tools
  * Author URI: http://open-tools.net
  * Text Domain: woocommerce-advanced-ordernumbers
diff --git a/woocommerce-basic-ordernumbers.php b/woocommerce-basic-ordernumbers.php
index a4a34cf167125009001e85a43e4358d2cd378370..60eba04fe110791223cf9cfaefb85c477ad4530c 100644
--- a/woocommerce-basic-ordernumbers.php
+++ b/woocommerce-basic-ordernumbers.php
@@ -3,7 +3,7 @@
  * Plugin Name: WooCommerce Basic Ordernumbers
  * Plugin URI: http://open-tools.net/woocommerce/advanced-ordernumbers-for-woocommerce.html
  * Description: Configure WooCommerce ordernumbers to have a running counter and arbitrary, fixed text (prefix / postfix).
- * Version: 1.3.7
+ * Version: 1.3.7debug
  * Author: Open Tools
  * Author URI: http://open-tools.net
  * Text Domain: woocommerce-advanced-ordernumbers