Fatal error after update WordPress

I have an local wordpress installation on a xampp server. After updating the wordpress I am not able to access the page anymore and get the following Fatal error:

Fatal error: Uncaught Error: Class 'WpOrg\Requests\Iri' not found in C:\xampp\htdocs\wp-content\plugins\real-media-library\vendor\devowl-wp\utils\src\Assets.php:907 Stack trace: #0 C:\xampp\htdocs\wp-content\plugins\real-media-library\vendor\devowl-wp\utils\src\Assets.php(80): MatthiasWeb\RealMediaLibrary\Assets->getAsciiUrl('https://localho...') #1 C:\xampp\htdocs\wp-content\plugins\real-media-library\inc\Assets.php(137): MatthiasWeb\RealMediaLibrary\Assets->localizeScript('wp_enqueue_scri...') #2 C:\xampp\htdocs\wp-content\plugins\real-media-library\vendor\devowl-wp\utils\src\Assets.php(701): MatthiasWeb\RealMediaLibrary\Assets->enqueue_scripts_and_styles('wp_enqueue_scri...') #3 C:\xampp\htdocs\wp-includes\class-wp-hook.php(307): MatthiasWeb\RealMediaLibrary\Assets->wp_enqueue_scripts('') #4 C:\xampp\htdocs\wp-includes\class-wp-hook.php(331): WP_Hook->apply_filters('', Array) #5 C:\xampp\htdocs\wp-includes\plugin.php(474): WP_Hook->do_action(Array) #6 C:\xampp\htdocs\wp-includes\script-loader.php(2115): do_action('wp_e in C:\xampp\htdocs\wp-content\plugins\real-media-library\vendor\devowl-wp\utils\src\Assets.php on line 907

I am not very experienced in wordpress. Can anybody pease help me with a hint to fix this?

Thank you very much!

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