Fatal error on activating plugin

Hi,

On activating the plugin on my local multisite environment i get the error below. Is this a known problem?

[03-Jan-2023 08:32:04 UTC] PHP Fatal error: Uncaught Error: Call to undefined function pum_is_func_disabled() in C:\MAMP\htdocs\wopa\wp-content\plugins\popup-maker\classes\Install.php:58
Stack trace:

0 C:\MAMP\htdocs\wopa\wp-content\plugins\popup-maker\classes\Install.php(22): PUM_Install::do_multisite(true, Array)

1 C:\MAMP\htdocs\wopa\wp-includes\class-wp-hook.php(307): PUM_Install::activate_plugin(true)

2 C:\MAMP\htdocs\wopa\wp-includes\class-wp-hook.php(331): WP_Hook->apply_filters(NULL, Array)

3 C:\MAMP\htdocs\wopa\wp-includes\plugin.php(476): WP_Hook->do_action(Array)

4 C:\MAMP\htdocs\wopa\wp-admin\includes\plugin.php(691): do_action('activate_popup-…', true)

5 C:\MAMP\htdocs\wopa\wp-admin\plugins.php(58): activate_plugin('popup-maker/pop…', 'http://localhos…', true)

6 C:\MAMP\htdocs\wopa\wp-admin\network\plugins.php(13): require('C:\MAMP\htdocs\…')

7 {main}

thrown in C:\MAMP\htdocs\wopa\wp-content\plugins\popup-maker\classes\Install.php on line 58

Hope to hear from you soon!

Meryn