( ! ) Warning: Undefined array key "username" in C:\wamp64\www\acms\session.php on line 9
Call Stack
#	Time	Memory	Function	Location
1	0.1559	449448	{main}( )	...\download_cert.php:0
2	0.1600	502160	include( 'C:\wamp64\www\acms\session.php )	...\download_cert.php:4

( ! ) Warning: Undefined variable $get_page_name in C:\wamp64\www\acms\session.php on line 13
Call Stack
#	Time	Memory	Function	Location
1	0.1559	449448	{main}( )	...\download_cert.php:0
2	0.1600	502160	include( 'C:\wamp64\www\acms\session.php )	...\download_cert.php:4

( ! ) Warning: Undefined variable $get_page_name in C:\wamp64\www\acms\session.php on line 13
Call Stack
#	Time	Memory	Function	Location
1	0.1559	449448	{main}( )	...\download_cert.php:0
2	0.1600	502160	include( 'C:\wamp64\www\acms\session.php )	...\download_cert.php:4

( ! ) Warning: Cannot modify header information - headers already sent by (output started at C:\wamp64\www\acms\session.php:13) in C:\wamp64\www\acms\session.php on line 17
Call Stack
#	Time	Memory	Function	Location
1	0.1559	449448	{main}( )	...\download_cert.php:0
2	0.1600	502160	include( 'C:\wamp64\www\acms\session.php )	...\download_cert.php:4
3	0.5020	503728	header( $header = 'location: ../../../index.php' )	...\session.php:17

( ! ) Warning: Undefined array key "comp_code" in C:\wamp64\www\acms\main\dashboard\functions\admin_change_accounting_period_view\ajax\download_cert.php on line 6
Call Stack
#	Time	Memory	Function	Location
1	0.1559	449448	{main}( )	...\download_cert.php:0

( ! ) Warning: Trying to access array offset on null in C:\wamp64\www\acms\main\dashboard\functions\admin_change_accounting_period_view\ajax\download_cert.php on line 16
Call Stack
#	Time	Memory	Function	Location
1	0.1559	449448	{main}( )	...\download_cert.php:0

( ! ) Warning: Trying to access array offset on null in C:\wamp64\www\acms\main\dashboard\functions\admin_change_accounting_period_view\ajax\download_cert.php on line 17
Call Stack
#	Time	Memory	Function	Location
1	0.1559	449448	{main}( )	...\download_cert.php:0

( ! ) Warning: Trying to access array offset on null in C:\wamp64\www\acms\main\dashboard\functions\admin_change_accounting_period_view\ajax\download_cert.php on line 19
Call Stack
#	Time	Memory	Function	Location
1	0.1559	449448	{main}( )	...\download_cert.php:0

( ! ) Warning: Trying to access array offset on null in C:\wamp64\www\acms\main\dashboard\functions\admin_change_accounting_period_view\ajax\download_cert.php on line 20
Call Stack
#	Time	Memory	Function	Location
1	0.1559	449448	{main}( )	...\download_cert.php:0

( ! ) Warning: Trying to access array offset on null in C:\wamp64\www\acms\main\dashboard\functions\admin_change_accounting_period_view\ajax\download_cert.php on line 21
Call Stack
#	Time	Memory	Function	Location
1	0.1559	449448	{main}( )	...\download_cert.php:0

( ! ) Warning: Trying to access array offset on null in C:\wamp64\www\acms\main\dashboard\functions\admin_change_accounting_period_view\ajax\download_cert.php on line 22
Call Stack
#	Time	Memory	Function	Location
1	0.1559	449448	{main}( )	...\download_cert.php:0

( ! ) Warning: Cannot modify header information - headers already sent by (output started at C:\wamp64\www\acms\session.php:13) in C:\wamp64\www\acms\main\dashboard\functions\admin_change_accounting_period_view\ajax\download_cert.php on line 24
Call Stack
#	Time	Memory	Function	Location
1	0.1559	449448	{main}( )	...\download_cert.php:0
2	0.5353	566472	header( $header = 'Content-type: ' )	...\download_cert.php:24

( ! ) Warning: Cannot modify header information - headers already sent by (output started at C:\wamp64\www\acms\session.php:13) in C:\wamp64\www\acms\main\dashboard\functions\admin_change_accounting_period_view\ajax\download_cert.php on line 25
Call Stack
#	Time	Memory	Function	Location
1	0.1559	449448	{main}( )	...\download_cert.php:0
2	0.5399	566568	header( $header = 'Content-Disposition: attachment; filename=Certificate Granting The Change Of Accounting Period.pdf' )	...\download_cert.php:25