abyss120 on "[Plugin: LearnPress - WordPress LMS Plugin] Problems adding a Lessons"

Wherever Theme i use i can't add Lessons in to my courses, i using Eduma and nothing works ok with Leapress.

When i try to added directly in the curriculum section in the course screen, and update nothing hapens.

When i try to add individual lesson they show me this waing:
: call_user_func_array() expects parameter 1 to be a valid callback, class 'LP_Lesson_Post_Type' does not have a method 'update_lesson_meta' in /nfs/c02/h09/mnt/15220/domains/neomediax.net/html/proyectos/uhabitos/wp/wp-includes/plugin.php on line 525

I use wordpress 4.4.2, Leapress 1.0.3

Help me please

https://wordpress.org/plugins/leapress/