How To Fix /IWFND/CM_DESIGNTIME022 - Unexpected parameter class: '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_DESIGNTIME -

• Message number: 022

• Message text: Unexpected parameter class: '&1'

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWFND/CM_DESIGNTIME022 - Unexpected parameter class: '&1' ?

  The SAP error message /IWFND/CM_DESIGNTIME022 Unexpected parameter class: '&1' typically occurs in the context of SAP Gateway and OData services. This error indicates that there is an unexpected parameter class being passed in the request, which the system does not recognize or cannot process.
  
  Cause:
  
  Incorrect Parameter Class: The error is often caused by a mismatch between the expected parameter class in the OData service and the one being sent in the request. This could be due to a typo, an outdated service definition, or a misconfiguration in the service.
  Service Versioning: If the OData service has been updated or changed, and the client is still using an older version, it may lead to this error.
  Model Changes: Changes in the underlying data model or service definition that are not reflected in the client request can also trigger this error.
  
  
  Solution:
  
  Check the OData Service Definition: Review the service definition in the SAP Gateway Service Builder