Theme error after php upgrade

[Elena]

Elena

April 14, 2020 at 11:22 am

Hi,
I just changed my php version to 7.2 and get an error on my wp backend (which I can now only access via recovery mode).
Here’s the error I received per mail:

Fehler-Details
==============
Ein Fehler vom Typ E_ERROR wurde in der Zeile 44 der Datei /mnt/web109/e1/65/58406965/htdocs/wp/wp-content/themes/virtue_premium/lib/kt-plugins-activate.php verursacht. Fehlermeldung: Uncaught Error: [] operator not supported for strings in /mnt/web109/e1/65/58406965/htdocs/wp/wp-content/themes/virtue_premium/lib/kt-plugins-activate.php:44
Stack trace:
#0 /mnt/web109/e1/65/58406965/htdocs/wp/wp-includes/class-wp-hook.php(288): kadence_register_required_plugins(”)
#1 /mnt/web109/e1/65/58406965/htdocs/wp/wp-includes/class-wp-hook.php(312): WP_Hook->apply_filters(”, Array)
#2 /mnt/web109/e1/65/58406965/htdocs/wp/wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#3 /mnt/web109/e1/65/58406965/htdocs/wp/wp-content/themes/virtue_premium/lib/class-tgm-plugin-activation.php(407): do_action(‘tgmpa_register’)
#4 /mnt/web109/e1/65/58406965/htdocs/wp/wp-includes/class-wp-hook.php(288): TGM_Plugin_Activation->init(”)
#5 /mnt/web109/e1/65/58406965/htdocs/wp/wp-includes/class-wp-hook.php(312): WP_Hook->apply_filters(NULL, Array)
#6 /mnt/web109/e1/65/58406965/htdocs/wp/wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#7 /mnt/web109/e1/65/58406965/htdocs/wp/wp-settings.php(523): do_action(‘ini

Here are my WP details:
WordPress-Version 5.3.2
Aktuelles Theme: Virtue – Premium (Version 3.9.0)
Aktuelles Plugin: (Version )
PHP-Version 7.2.29

What can I do to solve the problem?
Thanks,
Elena