Fatal error: Uncaught Error: Class "Jet_Form_Builder\Blocks\Button_Types\Button_Submit" not found in /htdocs/wp-content/plugins/jetformbuilder/includes/blocks/types/action-button.php:31 Stack trace: #0 /htdocs/wp-content/plugins/jetformbuilder/includes/blocks/blocks-repository-base.php(40): Jet_Form_Builder\Blocks\Types\Action_Button->register_block_type() #1 /htdocs/wp-content/plugins/jetformbuilder/components/repository/repository-pattern-trait.php(141): Jet_Form_Builder\Blocks\Blocks_Repository_Base->rep_after_install_item(Object(Jet_Form_Builder\Blocks\Types\Action_Button)) #2 /htdocs/wp-content/plugins/jetformbuilder/components/repository/repository-pattern-trait.php(53): Jet_Form_Builder\Blocks\Blocks_Repository_Base->rep_after_install(Object(Jet_Form_Builder\Blocks\Types\Action_Button)) #3 /htdocs/wp-content/plugins/jetformbuilder/includes/blocks/module.php(109): Jet_Form_Builder\Blocks\Blocks_Repository_Base->rep_install() #4 /htdocs/wp-includes/class-wp-hook.php(341): Jet_Form_Builder\Blocks\Module->register_block_types('') #5 /htdocs/wp-includes/class-wp-hook.php(365): WP_Hook->apply_filters(NULL, Array) #6 /htdocs/wp-includes/plugin.php(522): WP_Hook->do_action(Array) #7 /htdocs/wp-settings.php(771): do_action('init') #8 /htdocs/wp-config.php(98): require_once('/htdocs/wp-sett...') #9 /htdocs/wp-load.php(50): require_once('/htdocs/wp-conf...') #10 /htdocs/wp-blog-header.php(13): require_once('/htdocs/wp-load...') #11 /htdocs/index.php(17): require('/htdocs/wp-blog...') #12 {main} thrown in /htdocs/wp-content/plugins/jetformbuilder/includes/blocks/types/action-button.php on line 31