Error plugin

Hi all,

This morning I had a problem on my website that was in down until I deactivated klarna pugin.

this is the server log

[01-Jun-2023 07:23:23 UTC] PHP Fatal error: Uncaught Error: Class 'KP_Api' not found in /var/app/current/wp-content/plugins/klarna-payments-for-woocommerce/klarna-payments-for-woocommerce.php:141
Stack trace:

0 /var/app/current/wp-includes/class-wp-hook.php(308): WC_Klarna_Payments->init('')

1 /var/app/current/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array)

2 /var/app/current/wp-includes/plugin.php(517): WP_Hook->do_action(Array)

3 /var/app/current/wp-settings.php(486): do_action('plugins_loaded')

4 /var/app/current/wp-config.php(32): require_once('/var/app/curren…')

5 /var/app/current/wp-load.php(50): require_once('/var/app/curren…')

6 /var/app/current/wp-admin/admin.php(34): require_once('/var/app/curren…')

7 /var/app/current/wp-admin/index.php(10): require_once('/var/app/curren…')

8 {main}

thrown in /var/app/current/wp-content/plugins/klarna-payments-for-woocommerce/klarna-payments-for-woocommerce.php on line 141

Can you help me?