diff --git a/include/global_arrays.php b/include/global_arrays.php
index 6a951e0fe0..1a1a19d1b7 100644
--- a/include/global_arrays.php
+++ b/include/global_arrays.php
@@ -459,6 +459,25 @@
 	'ROLL'
 );
 
+$phperrors = array (
+	E_ERROR => 'ERROR',
+	E_WARNING => 'WARNING',
+	E_PARSE => 'PARSE',
+	E_NOTICE => 'NOTICE',
+	E_CORE_ERROR => 'CORE_ERROR',
+	E_CORE_WARNING => 'CORE_WARNING',
+	E_COMPILE_ERROR  => 'COMPILE_ERROR',
+	E_COMPILE_WARNING => 'COMPILE_WARNING',
+	E_USER_ERROR => 'USER_ERROR',
+	E_USER_WARNING => 'USER_WARNING',
+	E_USER_NOTICE  => 'USER_NOTICE',
+	E_STRICT => 'STRICT',
+	E_RECOVERABLE_ERROR  => 'RECOVERABLE_ERROR',
+	E_DEPRECATED => 'DEPRECATED',
+	E_USER_DEPRECATED  => 'USER_DEPRECATED',
+	E_ALL => 'ALL'
+);
+
 if (cacti_version_compare(get_rrdtool_version(), '1.8.0', '>=')) {
 	$cdef_functions[] = 'ROUND';
 }
@@ -679,7 +698,7 @@
 	2 => 'spine'
 );
 
-if (!file_exists(read_config_option('path_spine')) || !is_executable(read_config_option('path_spine'))) {
+if (read_config_option('path_spine') != '' && (!file_exists(read_config_option('path_spine')) || !is_executable(read_config_option('path_spine')))) {
 	unset($poller_options[2]);
 }
 
@@ -1953,25 +1972,6 @@
 	3 => __('[Skipped]'),
 );
 
-$phperrors = array (
-	E_ERROR => 'ERROR',
-	E_WARNING => 'WARNING',
-	E_PARSE => 'PARSE',
-	E_NOTICE => 'NOTICE',
-	E_CORE_ERROR => 'CORE_ERROR',
-	E_CORE_WARNING => 'CORE_WARNING',
-	E_COMPILE_ERROR  => 'COMPILE_ERROR',
-	E_COMPILE_WARNING => 'COMPILE_WARNING',
-	E_USER_ERROR => 'USER_ERROR',
-	E_USER_WARNING => 'USER_WARNING',
-	E_USER_NOTICE  => 'USER_NOTICE',
-	E_STRICT => 'STRICT',
-	E_RECOVERABLE_ERROR  => 'RECOVERABLE_ERROR',
-	E_DEPRECATED => 'DEPRECATED',
-	E_USER_DEPRECATED  => 'USER_DEPRECATED',
-	E_ALL => 'ALL'
-);
-
 $navigation = array(
 	'auth_profile.php:' => array(
 		'title' => __('User Profile (Edit)'),
diff --git a/lib/functions.php b/lib/functions.php
index b7445e4db2..448629afab 100644
--- a/lib/functions.php
+++ b/lib/functions.php
@@ -6438,7 +6438,7 @@ function get_rrdtool_version() {
 	static $version = '';
 
 	if ($version == '') {
-		$version = str_replace('rrd-', '', str_replace('.x', '.0', read_config_option('rrdtool_version')));
+		$version = str_replace('rrd-', '', str_replace('.x', '.0', read_config_option('rrdtool_version') ?: read_default_config_option('rrdtool_version') ?: '1.4.0' ));
 	}
 
 	return $version;