issues remotelearner#1 and remotelearner#2 from barryspace:

https://github.com/barrysspace/moodle-repository_kaltura/commits/MDL26_UON_FIXES

lib.php

@@ -226,6 +226,8 @@ public function type_config_form($mform, $classname = 'kaltura') {
 
                 }
 
+                $mform->setType('rootcategory', PARAM_TEXT);
+
                 // List Kaltura metadata profile information
                 $profile = repository_kaltura_get_metadata_profile_info($connection);
 
@@ -246,7 +248,7 @@ public function type_config_form($mform, $classname = 'kaltura') {
 
                     } else {
                         // Check if the metadata profile id exists in the mdl_config_table
-                        $profileid = get_config(REPOSITORY_KALTURA_PLUGIN_NAME, 'metadata_profile_id');
+                        $profileid = empty($repoconfig->metadata_profile_id) ? null : $repoconfig->metadata_profile_id;
 
                         // If empty then set the profile id
                         if (empty($profileid)) {
@@ -806,6 +808,8 @@ public static function type_config_form($mform, $classname = 'kaltura') {
 
                 }
 
+                $mform->setType('rootcategory', PARAM_TEXT);
+
                 // List Kaltura metadata profile information
                 $profile = repository_kaltura_get_metadata_profile_info($connection);