ERROR FATAL Uncaught Error:

Me ha llegado un correo con el siguiente error:
Detalles del error
==================
Se ha producido un error del tipo E_ERROR en la línea 53 del archivo /home2/hosting144737eu/public_html/lauragbenitez/wp-content/plugins/learnpress/inc/Shortcodes/class-lp-shortcode-checkout.php. Mensaje de error: Uncaught Error: Call to a member function is_empty() on bool in /home2/hosting144737eu/public_html/lauragbenitez/wp-content/plugins/learnpress/inc/Shortcodes/class-lp-shortcode-checkout.php:53
Stack trace:
#0 /home2/hosting144737eu/public_html/lauragbenitez/wp-content/plugins/learnpress/inc/class-lp-shortcodes.php(104): LP_Shortcode_Checkout->output()
#1 /home2/hosting144737eu/public_html/lauragbenitez/wp-content/plugins/learnpress/inc/class-lp-shortcodes.php(153): LP_Shortcodes::wrapper_shortcode(Object(LP_Shortcode_Checkout))
#2 /home2/hosting144737eu/public_html/lauragbenitez/wp-includes/shortcodes.php(395): LP_Shortcodes::checkout('', '', 'learn_press_che…')
#3 [internal function]: do_shortcode_tag(Array)
#4 /home2/hosting144737eu/public_html/lauragbenitez/wp-includes/shortcodes.php(235): preg_replace_callback('/\\[(\\[?)(learn_…', 'do_shortcode_ta…', '[learn_press_ch…')
#5 /home2/hosting144737eu/public_html/lauragbenitez/wp-content/plugins/wp-events-manager/inc/wpems-core-functions.php(152): do_s

hay un error 500, parece un shortcode, pero yo no tengo ni idea, me podéis ayudar con esto?

[01-Oct-2023 07:35:11 UTC] PHP Fatal error: Uncaught Error: Call to a member function is_empty() on bool in /home2/hosting144737eu/public_html/lauragbenitez/wp-content/plugins/learnpress/inc/Shortcodes/class-lp-shortcode-checkout.php:53

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