Error while Adding Message Mapping in cpi iflow

[Akash]

Hi,

When i add Message Mapping step in iflow then it showing this kind of error

[Ryan-Crosby]

What is the source payload for your message mapping?

[Akash]

the error is coming during testing

[clinito]

If Header CancInvSet only occurs once then map Constant "". If it occurs multiple time you need to map it with the source field of the correct context/occurrences.