Warning: Illegal string offset 'sfwd-topic_lesson'

[Chris]

Help,

Clean WordPress, Social Learner install. When trying to create a lesson or topic receive these errors:

Warning: Illegal string offset ‘sfwd-topic_lesson’ in /home/skillsarena/public_html/learning.skillsarena/wp-content/plugins/buddypress-learndash/includes/bp-learndash-loader.php on line 139

Warning: Illegal string offset ‘sfwd-topic_lesson’ in /home/skillsarena/public_html/learning.skillsarena/wp-content/plugins/buddypress-learndash/includes/bp-learndash-loader.php on line 139

Warning: Illegal string offset ‘sfwd-topic_lesson’ in /home/skillsarena/public_html/learning.skillsarena/wp-content/plugins/buddypress-learndash/includes/bp-learndash-loader.php on line 139

Warning: Illegal string offset ‘sfwd-topic_lesson’ in /home/skillsarena/public_html/learning.skillsarena/wp-content/plugins/buddypress-learndash/includes/bp-learndash-loader.php on line 139

Warning: Cannot modify header information – headers already sent by (output started at /home/skillsarena/public_html/learning.skillsarena/wp-content/plugins/buddypress-learndash/includes/bp-learndash-loader.php:139) in /home/skillsarena/public_html/learning.skillsarena/wp-admin/post.php on line 242

Warning: Cannot modify header information – headers already sent by (output started at /home/skillsarena/public_html/learning.skillsarena/wp-content/plugins/buddypress-learndash/includes/bp-learndash-loader.php:139) in /home/skillsarena/public_html/learning.skillsarena/wp-includes/pluggable.php on line 1207

[Anonymous]

Hi @smuglet, Please PM your site login details We are not getting these warning at development install, I will need to check your active plugin list.
Regards