diff --git a/main/inc/conf/mail.conf.dist.php b/main/inc/conf/mail.conf.dist.php
index 636f3f84bc..f749ecf725 100755
--- a/main/inc/conf/mail.conf.dist.php
+++ b/main/inc/conf/mail.conf.dist.php
@@ -7,8 +7,8 @@
  *	@package chamilo.configuration
  */
 
-$platform_email['SMTP_FROM_EMAIL']   = $administrator['email'];
-$platform_email['SMTP_FROM_NAME']    = $administrator['name'];
+$platform_email['SMTP_FROM_EMAIL']   = (isset($administrator['email'])?$administrator['email']:'admin@example.com');
+$platform_email['SMTP_FROM_NAME']    = (isset($administrator['name'])?$administrator['name']:'John Doe');
 $platform_email['SMTP_HOST']         = 'localhost';
 $platform_email['SMTP_PORT']         = 25;
 $platform_email['SMTP_MAILER']       = IS_WINDOWS_OS ? 'smtp' : 'mail'; // mail, sendmail or smtp
diff --git a/main/inc/lib/online.inc.php b/main/inc/lib/online.inc.php
index 484419e4bb..250d13a07e 100755
--- a/main/inc/lib/online.inc.php
+++ b/main/inc/lib/online.inc.php
@@ -28,7 +28,7 @@ function LoginCheck($uid) {
 		$reallyNow = time();
 		$login_date = date("Y-m-d H:i:s",$reallyNow);
 		$access_url_id = 1;
-		if ($_configuration['multiple_access_urls'] && api_get_current_access_url_id()!=-1) {
+		if (!empty($_configuration['multiple_access_urls']) && api_get_current_access_url_id()!=-1) {
 			$access_url_id = api_get_current_access_url_id();
 		}
 		$session_id = api_get_session_id();
diff --git a/main/inc/local.inc.php b/main/inc/local.inc.php
index 1d38149985..892eaab241 100755
--- a/main/inc/local.inc.php
+++ b/main/inc/local.inc.php
@@ -1088,7 +1088,7 @@ if ((isset($uidReset) && $uidReset) || (isset($cidReset) && $cidReset)) { // ses
 	// requires testing!!!
 
 	// check the session visibility
-	if ($is_allowed_in_course) {
+	if (!empty($is_allowed_in_course)) {
 		$my_session_id = api_get_session_id();
 		//if I'm in a session
 		//var_dump($is_platformAdmin, $is_courseTutor,api_is_coach());