You will need to initialize the global variables first using fnd_global.initialize
DECLARE
v_session_id INTEGER := userenv(‘sessionid’) ;
BEGIN
fnd_global.initialize
(

SESSION_ID => v_session_id
,USER_ID => <your user id from fnd_user.user_id>|
,RESP_ID => <You may USE Examine from the screen PROFILE/RESP_ID>
,RESP_APPL_ID => <You may use Examine from the screen PROFILE/RESP_APPL_ID>
,SECURITY_GROUP_ID => 0
,SITE_ID => NULL
,LOGIN_ID => 3115003–Any number here
,CONC_LOGIN_ID => NULL
,PROG_APPL_ID => NULL
,CONC_PROGRAM_ID => NULL
,CONC_REQUEST_ID => NULL
,CONC_PRIORITY_REQUEST => NULL
) ;
commit ;
END ;
/
Optionally you may use fnd_global.apps_initialize, which INTERNALLY CALLS fnd_global.initialize
fnd_global.apps_initialize(user_id => :user_id,
resp_id => :resp_id,
resp_appl_id => :resp_appl_id,
security_group_id => :security_group_id,
server_id => :server_id);

 You will need to initialize the global variables first using fnd_global.initialize
DECLARE
v_session_id INTEGER := userenv(‘sessionid’) ;
BEGIN
fnd_global.initialize
(

SESSION_ID => v_session_id
,USER_ID => <your user id from fnd_user.user_id>|
,RESP_ID => <You may use Examine from the screen PROFILE/RESP_ID>
,RESP_APPL_ID => <You may use Examine from the screen PROFILE/RESP_APPL_ID>
,SECURITY_GROUP_ID => 0
,SITE_ID => NULL
,LOGIN_ID => 3115003–Any number here
,CONC_LOGIN_ID => NULL
,PROG_APPL_ID => NULL
,CONC_PROGRAM_ID => NULL
,CONC_REQUEST_ID => NULL
,CONC_PRIORITY_REQUEST => NULL
) ;
commit ;
END ;
/
Optionally you may use fnd_global.apps_initialize, which internally calls fnd_global.initialize
fnd_global.apps_initialize(user_id => :user_id,
resp_id => :resp_id,
resp_appl_id => :resp_appl_id,
security_group_id => :security_group_id,
server_id => :server_id);