Fatal error: Uncaught Error: Call to undefined function

Hi there!

I’m getting an error when I try to activate this plugin

Error code:

Fatal error: Uncaught Error: Call to undefined function Richardevcom\Apsfc\pll_current_language() in /home/xxxx/domains/xxxx.com/public_html/wp-content/plugins/add-polylang-support-for-customizer/includes/class-apsfc.php:136 Stack trace: #0 /home/xxxx/domains/xxxx.com/public_html/wp-content/plugins/add-polylang-support-for-customizer/includes/class-apsfc.php(252): Richardevcom\Apsfc\Apsfc->get_custom_customizer_option() #1 /home/xxxx/domains/xxxx.com/public_html/wp-includes/class-wp-hook.php(305): Richardevcom\Apsfc\Apsfc->on_option_theme_mods_get() #2 /home/xxxx/domains/xxxx.com/public_html/wp-includes/plugin.php(189): WP_Hook->apply_filters() #3 /home/xxxx/domains/xxxx.com/public_html/wp-includes/option.php(225): apply_filters() #4 /home/xxxx/domains/xxxx.com/public_html/wp-includes/theme.php(974): get_option() #5 /home/xxxx/domains/xxxx.com/public_html/wp-includes/theme.php(1004): get_theme_mods() #6 /home/xxxx/domains/thefastvpn. in /home/xxxx/domains/xxxx.com/public_html/wp-content/plugins/add-polylang-support-for-customizer/includes/class-apsfc.php on line 136

Notice: is_embed was called incorrectly. Conditional query tags do not work before the query is run. Before then, they always return false. Please see Debugging in WordPress for more information. (This message was added in version 3.1.0.) in /home/xxxx/domains/xxxx.com/public_html/wp-includes/functions.php on line 5535

Notice: is_search was called incorrectly. Conditional query tags do not work before the query is run. Before then, they always return false. Please see Debugging in WordPress for more information. (This message was added in version 3.1.0.) in /home/xxxx/domains/xxxx.com/public_html/wp-includes/functions.php on line 5535

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