MIDI Title Length Cause

//Found it
const char *custommidilist(int index, int *list_size)
{
    if(index>=0)
    {
        bound(index,0,MAXCUSTOMMIDIS_ZQ-1);
        sprintf(number_str_buf,"%3d - %s",index+(number_list_zero?0:1),customtunes[index].data?customtunes[index].title:"(Empty)");
        return number_str_buf;
    }

    *list_size=number_list_size;
    return NULL;
}
//number_str_buf is length 32.
//So 26 + the "XXX - " preceding it is 32.