" Agreement not found for trading partners: FromTP MyCompany, ToTP "HL7_A04_Outbound_To_file" with document type "ADT_A04"-"2.3.1"-OUTBOUND ".Are you passing the mandatory B2B headers - From Party, To Party, DocType Name and DocType Revision, with correct values from the composite to the B2B? Which mode of integration are you using in B2B adapter - Default/JMS/AQ?
But, the thing is I couldn't found the Healthcare adapter in Composite to create.Are you working with 22.214.171.124? If yes, then Healthcare Adapter is available in Preview Mode only and not recommended for production deployments. Please refer -