Hello, I'm having this issue after updating some plugins on my site.
The Notice appears when I try to edit a course menu.
this is the complete log debug
Notice: Undefined variable: OUTPUT in /var/www/aulavirtual/course/format/menutopic/form_tree.php on line 107
Excepción - Call to a member function notification() on null
Error code: generalexceptionmessage
line 107 of /course/format/menutopic/form_tree.php: Error thrown
line 415 of /course/format/menutopic/renderer.php: call to include()
line 71 of /course/format/menutopic/format.php: call to format_menutopic_renderer->print_edition_page()
line 290 of /course/view.php: call to require()
Thank you for your help.