Critical error in wordpress in member version of breezeforms 1.47
When going into the form editor, while standing on the main title field at the top of the tree in the left column, clicking on the advanced tab an then on 'more options' under the title 'folder options' , I get a critical error.
There has been a critical error on this website. Please check your site admin email inbox for instructions.
Email from Wordpress regarding the critical error:
When seeking help with this issue, you may be asked for some of the following information:
WordPress version 6.0 (also tried my live website version Wordpress 6.02, it has the same error)
Active theme: x (version )
Current plugin: Breezing Forms (version 126.96.36.199)
PHP version 7.4.27
An error of type E_ERROR was caused in line 281 of the file /home/x/public_html/wordpress-test/wp-content/plugins/breezing-forms/platform/libraries/joomla/string/string.php. Error message: Uncaught Error: Call to undefined function utf8_strlen() in /home/x/public_html/wordpress-test/wp-content/plugins/breezing-forms/platform/libraries/joomla/string/string.php:281
#0 /home/x/public_html/wordpress-test/wp-content/plugins/breezing-forms/platform/libraries/joomla/html/html/list.php(128): JString::strlen('The Power Withi...')
#1 /home/x/public_html/wordpress-test/wp-content/plugins/breezing-forms/platform/libraries/joomla/html/html.php(222): JHtmlList::genericordering('select ordering...')
#2 /home/x/public_html/wordpress-test/wp-content/plugins/breezing-forms/platform/libraries/joomla/html/html.php(135): JHtml::call(Array, Array)
#3 /home/x/public_html/wordpress-test/wp-content/plugins/breezing-forms/platform/administrator/components/com_breezingforms/admin/form.class.php(219): JHtml::_('jhtml.list.gene...', 'select ordering...')