Some warning shows whenever create the new post

Hi,

I used this plugin, and it’s working fine for me. But whenever i create a new post anywhere on my site, it show’s some warnings like below:

“Notice: Undefined index: caption in /var/www/html/root_html/wp-content/plugins/wg-bootstrap-carousel/includes/wgbc-metabox.php on line 459

Notice: Undefined index: slide in /var/www/html/root_html/wp-content/plugins/wg-bootstrap-carousel/includes/wgbc-metabox.php on line 461

Notice: Undefined index: file0 in /var/www/html/root_html/wp-content/plugins/wg-bootstrap-carousel/includes/wgbc-metabox.php on line 629

Notice: Undefined variable: slide in /var/www/html/root_html/wp-content/plugins/wg-bootstrap-carousel/includes/wgbc-metabox.php on line 675

Notice: Undefined variable: caption in /var/www/html/root_html/wp-content/plugins/wg-bootstrap-carousel/includes/wgbc-metabox.php on line 677

Notice: Undefined variable: options in /var/www/html/root_html/wp-content/plugins/wg-bootstrap-carousel/includes/wgbc-metabox.php on line 695”

Could you please help me with this issue….