default wp parent menu not clikable

Hi,
I am using below code for menu
wp_nav_menu( array(
‘theme_location’ => ‘top_left’,
‘depth’ => 2,
‘menu_id’ => ‘top_left’,
‘container’ => ‘div’,
‘container_class’ => ‘collapse navbar-collapse’,
‘container_id’ => ‘bs-example-navbar-collapse-1’,
‘menu_class’ => ‘nav navbar-nav current-menu-parent’,
‘fallback_cb’ => ‘WP_Bootstrap_Navwalker::fallback’,
‘walker’ => new WP_Bootstrap_Navwalker(),
) );
problem:
I have create a menu and it’s submenu so main menu link (experience) is not working but submenu link is working well, please let me know what I am doing wrong

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