The attend/primary profile insert info
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '3984,'profile',1073,'35.00')' at line 2
INSERT INTO cart(user_reg_userid,contentid,content_type,event_eventid,fee_amount)
					VALUES (,3984,'profile',1073,'35.00')

Function insert info
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '11704,'function',1073, '1','')' at line 2
INSERT INTO cart (user_reg_userid,contentid,content_type,event_eventid, function_quantity,fee_amount)
						VALUES (,11704,'function',1073, '1','')
the regid : 0
the sql: INSERT INTO registration(user_reg_userid,event_eventid,date_and_time,primary_regid, entry_mode, adm_id) VALUES
					(,1073,'2017-09-28 19:43:11','0',  'self',0)The attend/primary profile insert info

INSERT INTO cart(user_reg_userid,contentid,content_type,event_eventid,fee_amount)
					VALUES (3000002138,3980,'profile',1073,'0.00')

the regid : 1046379
the sql: INSERT INTO registration(user_reg_userid,event_eventid,date_and_time,primary_regid, entry_mode, adm_id) VALUES
					(3000002138,1073,'2017-09-28 19:43:11','0',  'self',0)