print_header() was sent a string as 3rd (Dpto. TIC -> NanoGongs -> Actividad Nanogong) parameter. This is deprecated in favour of an array built by build_navigation(). Please upgrade your code.
- line 2471 of lib/weblib.php: call to debugging()
- line 61 of mod/nanogong/view.php: call to print_header()
And this message when I submit the activity
No sound has been submitted for the message.
Stack trace:

- line 1664 of lib/deprecatedlib.php: call to debugging()
- line 80 of mod/nanogong/view.php: call to error()

Thanks