The following process worked well under 3.0 and 4.0 an error occurs:

Step1) find_before_changing_status
Action1:
FIND member_package_payment WHERE member_package_payment.payment_type='Creditcard' AND member_package_payment.payment_status='Pending' AND member_package_payment.payment_charginglist_printed_status='No'

Step2) nothing_to_print
Condition1:
NOT(EXISTS member_package_payment WHERE (member_package_payment.payment_type='Creditcard' AND member_package_payment.payment_status='Pending' AND member_package_payment.payment_charginglist_printed_status='No'))
Action1:
DISPLAY MESSAGE 'Nothing to Print'

Step3) open_document
Condition1:
member_package_payment.payment_status='Pending'
Action1:
DISPLAY DOCUMENT english_creditcard_charging_list AS MESSAGE

Step4) question_before_changing_status
Condition1:
member_package_payment.payment_charginglist_printed_status='No'
Action1:
DISPLAY QUESTION 'Did you printout the CC Charginglist successfully? Payment Status will changed to Open after clicking Yes'

Step5) yes_set_status_open
Condition1:
Question.Reply='Yes'
Action1:
FIND member_package_payment WHERE member_package_payment.payment_type='Creditcard' AND member_package_payment.payment_status='Pending'
member_package_payment.payment_status='Open'
member_package_payment.payment_status_values='Open'
member_package_payment.payment_charginglist_printed_status='Yes'
member_package_payment.payment_charginglist_printed_date=CURRENT_DATE
FIND member_package_payment_editor WHERE member_package_payment.member_contract_relation=member_package_payment_editor.member_contract_releation
member_package_monthly_payment_enter_update_SUM
member_package_initial_payment_enter_update_SUM

After starting the a.m. process under 4.0 the following Error occurs:
XML returned from the server does not have 'root' element