( ! ) Notice: Undefined index: HTTP_ACCEPT_LANGUAGE in /var/www/html/pvmusic/dev/git/web/include/pre_output.php on line 17
Call Stack
#	Time	Memory	Function	Location
1	0.0000	358640	{main}( )	.../index.php:0
2	0.0001	361272	require( '/var/www/html/pvmusic/dev/git/web/include/pre_output.php )	.../index.php:6

( ! ) Notice: Constant SONG_NOTES_EDITING_PASSWORD already defined in /var/www/html/pvmusic/dev/git/project_instance_setup.php on line 15
Call Stack
#	Time	Memory	Function	Location
1	0.0000	358640	{main}( )	.../index.php:0
2	0.0002	361632	require( '/var/www/html/pvmusic/dev/git/web/include/mysqli_conn.php )	.../index.php:7
3	0.0002	361872	include( '/var/www/html/pvmusic/dev/git/project_instance_setup.php )	.../mysqli_conn.php:3
4	0.0002	361872	define( $constant_name = 'SONG_NOTES_EDITING_PASSWORD', $value = '1234' )	.../project_instance_setup.php:15