Error Messages in debug.log

Why does this warnings come?

[02-Oct-2022 10:43:48 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3551
[02-Oct-2022 10:43:48 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3553
[02-Oct-2022 10:43:48 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3555
[02-Oct-2022 10:43:48 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3557
[02-Oct-2022 10:43:48 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3559
[02-Oct-2022 10:43:48 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3561
[02-Oct-2022 10:43:48 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3563
[02-Oct-2022 10:43:48 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3565
[02-Oct-2022 10:43:48 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3567
[02-Oct-2022 10:43:48 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3568
[02-Oct-2022 10:43:48 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3569
[02-Oct-2022 10:43:48 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3570
[02-Oct-2022 10:43:48 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3571
[02-Oct-2022 10:43:48 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3662
[02-Oct-2022 10:43:48 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3664
[02-Oct-2022 10:43:48 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3703
[02-Oct-2022 10:43:48 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3867
[02-Oct-2022 10:43:55 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3551
[02-Oct-2022 10:43:55 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3553
[02-Oct-2022 10:43:55 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3555
[02-Oct-2022 10:43:55 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3557
[02-Oct-2022 10:43:55 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3559
[02-Oct-2022 10:43:55 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3561
[02-Oct-2022 10:43:55 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3563
[02-Oct-2022 10:43:55 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3565
[02-Oct-2022 10:43:55 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3567
[02-Oct-2022 10:43:55 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3568
[02-Oct-2022 10:43:55 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3569
[02-Oct-2022 10:43:55 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3570
[02-Oct-2022 10:43:55 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3571
[02-Oct-2022 10:43:55 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3662
[02-Oct-2022 10:43:55 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3664
[02-Oct-2022 10:43:55 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3703
[02-Oct-2022 10:43:55 UTC] PHP Warning:  Undefined variable $kses_allowed_html in /homepages/xx/xxxxx/htdocs/hdh-wp/wp-content/plugins/dsgvo-all-in-one-for-wp/dsgvo_all_in_one_wp.php on line 3867

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