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 '3001,'profile',834,'95.00')' at line 2
INSERT INTO cart(user_reg_userid,contentid,content_type,event_eventid,fee_amount) 
					VALUES (,3001,'profile',834,'95.00')

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 '10127,'function',834, '1','')' at line 2
INSERT INTO cart (user_reg_userid,contentid,content_type,event_eventid, function_quantity,fee_amount)
						VALUES (,10127,'function',834, '1','')
the regid : 0
the sql: INSERT INTO registration(user_reg_userid,event_eventid,date_and_time,primary_regid, entry_mode, adm_id) VALUES 
					(,834,'2015-03-25 09:42:05','0',  'admin',16020)