CF 7 Fatal Error

Hi,
Since the last update we get the following error message on the website:

Notice: Die Funktion register_block_script_handle wurde fehlerhaft aufgerufen. Die Asset-Datei f??r die Definition a€?editorScripta€? im Block a€?contact-form-7/contact-form-selectora€? fehlt. Weitere Informationen: Debugging in WordPress (engl.). (Diese Meldung wurde in Version 5.5.0 hinzugef??gt.) in /mnt/web509/e1/15/510892515/htdocs/STRATO-apps/wordpress_03/app/wp-includes/functions.php on line 5835 Warning: Cannot modify header information - headers already sent by (output started at /mnt/web509/e1/15/510892515/htdocs/STRATO-apps/wordpress_03/app/wp-includes/functions.php:5835) in /mnt/web509/e1/15/510892515/htdocs/STRATO-apps/wordpress_03/app/wp-admin/includes/misc.php on line 1416 Warning: Cannot modify header information - headers already sent by (output started at /mnt/web509/e1/15/510892515/htdocs/STRATO-apps/wordpress_03/app/wp-includes/functions.php:5835) in /mnt/web509/e1/15/510892515/htdocs/STRATO-apps/wordpress_03/app/wp-includes/functions.php on line 6865 Warning: Cannot modify header information - headers already sent by (output started at /mnt/web509/e1/15/510892515/htdocs/STRATO-apps/wordpress_03/app/wp-includes/functions.php:5835) in /mnt/web509/e1/15/510892515/htdocs/STRATO-apps/wordpress_03/app/wp-admin/admin-header.php on line 9 Warning: Cannot modify header information - headers already sent by (output started at /mnt/web509/e1/15/510892515/htdocs/STRATO-apps/wordpress_03/app/wp-includes/functions.php:5835) in /mnt/web509/e1/15/510892515/htdocs/STRATO-apps/wordpress_03/app/wp-includes/option.php on line 1138 Warning: Cannot modify header information - headers already sent by (output started at /mnt/web509/e1/15/510892515/htdocs/STRATO-apps/wordpress_03/app/wp-includes/functions.php:5835) in /mnt/web509/e1/15/510892515/htdocs/STRATO-apps/wordpress_03/app/wp-includes/option.php on line 1139

Is this a bug or how can we fix it?

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