The following error messages can be generated by cancel_instance_contract_m.
1001: unexpected error
1004: authentication error
Associated Inputs: auth_key, client_id, client_no
1009: account does not exist, Account not found: AriaNo (acct_no), Account not found: Userid (userid), or Account not found: ClientId (client_acct_id)
Associated Inputs: acct_no, account_no, client_acct_id, user_id, userid, parent_acct_no
25020: Illegal characters entered
Associated Inputs: All character field inputs like firstname lastname, dunning_group_name, comments, etc.
16001: contract does not exist
Associated Inputs: contract_no, client_contract_id
16028: This contract cannot be cancelled or terminated because it already was cancelled, terminated or expired.
Associated Inputs: contract_no, client_contract_id
16003: Invalid Contract Closure Status
Associated Input: close_status