Fatal Error

Error Details
=============
An error of type E_ERROR was caused in line 142 of the file /home/bwxfe1zah135/public_html/speedienglish.com/wp-content/plugins/sensei-lms/includes/course-theme/class-sensei-course-theme-option.php. Error message: Uncaught TypeError: Argument 1 passed to Sensei_Course_Theme_Option::has_sensei_theme_enabled() must be of the type int, string given, called in /home/bwxfe1zah135/public_html/speedienglish.com/wp-content/plugins/sensei-lms/includes/course-theme/class-sensei-course-theme.php on line 344 and defined in /home/bwxfe1zah135/public_html/speedienglish.com/wp-content/plugins/sensei-lms/includes/course-theme/class-sensei-course-theme-option.php:142
Stack trace:
#0 /home/bwxfe1zah135/public_html/speedienglish.com/wp-content/plugins/sensei-lms/includes/course-theme/class-sensei-course-theme.php(344): Sensei_Course_Theme_Option::has_sensei_theme_enabled(”)
#1 /home/bwxfe1zah135/public_html/speedienglish.com/wp-content/plugins/sensei-lms/includes/class-sensei-settings.php(866): Sensei_Course_Theme::get_sensei_theme_customize_url()
#2 /home/bwxfe1zah135/public_html/speedienglish.com/wp-admin/includes/template.php(1743): Sensei_Settings->render_learning_mode_setting(Array)
#3 /home/bwxfe1zah135/public_html/speedienglish.c

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