non-WP function throws errors

You’ve used a WooCommerce function in the plugin core.

https://github.com/techies23/video-conference-zoom/blob/master/includes/views/tabs/debug.php#L37

An error of type E_ERROR was caused in line 37 of the file /public_html/wp-content/plugins/video-conferencing-with-zoom-api/includes/views/tabs/debug.php. Error message: Uncaught Error: Call to undefined function wc_date_format() in /public_html/wp-content/plugins/video-conferencing-with-zoom-api/includes/views/tabs/debug.php:37
Stack trace:
#0 /public_html/wp-content/plugins/video-conferencing-with-zoom-api/includes/admin/class-zvc-admin-settings.php(402): require_once()
#1 /public_html/wp-includes/class-wp-hook.php(308): Zoom_Video_Conferencing_Admin_Views->zoom_video_conference_api_zoom_settings('')
#2 /public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters('', Array)
#3 /public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#4 /public_html/wp-admin/admin.php(259): do_action('zoom-meetings_p...')
#5 /

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