php 8.1

[CodingJungle]

Whoops\Exception\ErrorException thrown with message "explode(): Passing null to parameter #2 ($string) of type string is deprecated"

Stacktrace:
#13 Whoops\Exception\ErrorException in /private/var/tmp/theme_core_global_forms_texta0ayPh:10
#12 explode in /private/var/tmp/theme_core_global_forms_texta0ayPh:10
#11 IPS\Theme\theme_core_global_forms_text in /opt/homebrew/var/www/dev/system/Theme/Dev/Template.php:171
#10 IPS\Theme\Dev\_Template:__call in /opt/homebrew/var/www/dev/system/Helpers/Form/Text.php:156
#9 IPS\Helpers\Form\_Text:html in /private/var/tmp/theme_core_admin_support_guideSearchFormUsUAi0:60
#8 IPS\Theme\theme_core_admin_support_guideSearchForm in /opt/homebrew/var/www/dev/system/Theme/Dev/Template.php:171
#7 IPS\Theme\Dev\_Template:__call in /opt/homebrew/var/www/dev/system/Helpers/Form/Form.php:519
#6 IPS\Helpers\_Form:customTemplate in /private/var/tmp/theme_core_admin_support_dashboardXIikwy:249
#5 IPS\Theme\theme_core_admin_support_dashboard in /opt/homebrew/var/www/dev/system/Theme/Dev/Template.php:171
#4 IPS\Theme\Dev\_Template:__call in /opt/homebrew/var/www/dev/applications/core/modules/admin/support/support.php:67
#3 IPS\core\modules\admin\support\_support:manage in /opt/homebrew/var/www/dev/system/Dispatcher/Controller.php:118
#2 IPS\Dispatcher\_Controller:execute in /opt/homebrew/var/www/dev/applications/core/modules/admin/support/support.php:48
#1 IPS\core\modules\admin\support\_support:execute in /opt/homebrew/var/www/dev/system/Dispatcher/Dispatcher.php:153
#0 IPS\_Dispatcher:run in /opt/homebrew/var/www/dev/admin/index.php:13

I keep getting this error when switching over to test my apps in php 8.1 when using ips 4.7.1 and 4.7.2 beta 2.