How To Fix SPRX322 - Field is also used in response

SPRX322 - Overview

• Message type: E = Error

• Message class: SPRX - Proxy Generation

• Message number: 322

• Message text: Field is also used in response

What causes this issue?

The field has been made mandatory. This applies also to the response xml
documents.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Please make sure that the service always fills this field, otherwise the
response may not be valid with respect to the xml schema description of
the service variant.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

SPRX322 - Details

• The SAP error message SPRX322, which states "Field is also used in response," typically occurs in the context of SAP's Business Process Management (BPM) or when dealing with service-oriented architecture (SOA) scenarios. This error indicates that there is a conflict with the use of a field in both the request and response messages of a service interface.
  
  Cause:
  
  Field Duplication: The same field is defined in both the request and response structures of a service interface, which can lead to ambiguity in processing.
  Incorrect Mapping: The mapping of fields between the request and response might not be correctly defined, leading to confusion in the data flow.
  Service Interface Design: The design of the service interface may not adhere to best practices, where certain fields should only be present in either the request or the response, but not both.
  
  
  Solution:
  
  Review Service Interface: Check the service interface definition to ensure that fields are appropriately defined. If a