[13-Sep-2021 13:10:08 America/Bogota] Default exception handler: error/concurrent access from the same user is not supported Debug: 
Error code: concurrent access from the same user is not supported
$a contents: 
* line 489 of /lib/setuplib.php: moodle_exception thrown
* line 97 of /lib/editor/atto/autosave-ajax.php: call to print_error()

[28-Sep-2021 22:54:42 America/Bogota] Default exception handler: Curso o actividad no accesible. Debug: You are not logged in
Error code: requireloginerror
* line 2556 of /lib/moodlelib.php: require_login_exception thrown
* line 69 of /lib/editor/atto/autosave-ajax.php: call to require_login()

