Update Crashed Site

Hello, When I ran the update this morning it crashed the site. Message below. I restored from backup and all fine.

Any suggestions to fix this.

Thank you
Jenni

Fatal error: Uncaught Error: Call to undefined method Inc\Core\Utillities::shouldLoadUserScripts()
in /home/neticoni/public_html/wp-content/plugins/zephyr-project-manager-pro/includes/ZephyrProjectManager/Pages.php on line 493

Call stack:

Inc\Z\Pages::enqueueUserScripts()
wp-includes/class-wp-hook.php:303
WP_Hook::apply_filters()
wp-includes/class-wp-hook.php:327
WP_Hook::do_action()
wp-includes/plugin.php:470
do_action()
wp-includes/script-loader.php:2083
wp_enqueue_scripts()
wp-includes/class-wp-hook.php:303
WP_Hook::apply_filters()
wp-includes/class-wp-hook.php:327
WP_Hook::do_action()
wp-includes/plugin.php:470
do_action()
wp-includes/general-template.php:3015
wp_head()
wp-content/themes/seocify/header.php:14
require_once()
wp-includes/template.php:770
load_template()
wp-includes/template.php:716
locate_template()
wp-includes/general-template.php:48
get_header()
wp-content/plugins/elementor/modules/page-templates/templates/header-footer.php:9
include()
wp-includes/template-loader.php:106
require_once()
wp-blog-header.php:19
require()
index.php:17