How To Fix /IWFND/CM_DESIGNTIME123 - Structure '&1' not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_DESIGNTIME -

• Message number: 123

• Message text: Structure '&1' not valid

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWFND/CM_DESIGNTIME123 - Structure '&1' not valid ?

  The SAP error message /IWFND/CM_DESIGNTIME123 Structure '&1' not valid typically occurs in the context of SAP Gateway and OData services. This error indicates that there is an issue with the structure definition in the service or model that you are trying to use. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause
  
  Invalid Structure Name: The structure name specified in the error message (&1) does not exist or is not recognized in the system.
  Missing or Incomplete Metadata: The metadata for the OData service may be incomplete or not properly defined, leading to the system being unable to validate the structure.
  Transport Issues: If the structure was recently transported from another system, it may not have been transported correctly or may not exist in the target system.
  Model Changes: Changes made to the underlying data model (like changes in the database table or structure) that are not reflected in the OData service can lead to this error.
  
  Solutions
  
  Check Structure Definition: Verify that the structure name mentioned in the error message exists in the system. You can do this by checking in the Data Dictionary (transaction SE11).
  Regenerate the OData Service: If the structure is valid, try regenerating the OData service. You can do this by going to the Service Builder (transaction SEGW), selecting the service, and choosing the option to regenerate the service.
  Check Metadata: Ensure that the metadata for the OData service is correctly defined. You can check this in the Service Builder or by using the transaction /IWFND/MAINT_SERVICE to maintain the service.
  Transport Check: If the structure was recently transported, ensure that the transport was successful and that all necessary objects were included.
  Activate the Structure: If the structure is newly created or modified, ensure that it is activated in the Data Dictionary.
  Clear Cache: Sometimes, clearing the cache can resolve issues related to outdated metadata. You can do this using transaction /IWFND/CACHE to clear the OData cache.
  
  Related Information
  
  
  Transaction Codes:
  
  SE11: Data Dictionary to check structure definitions.
  SE80: Object Navigator for checking OData service definitions.
  SEGW: Service Builder for creating and managing OData services.
  /IWFND/MAINT_SERVICE: To maintain OData services.
  /IWFND/CACHE: To clear the OData cache.
  
  
  
  Documentation: Refer to SAP Help Portal for detailed documentation on OData services and SAP Gateway.
  
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to this error message.
  
  
  By following these steps, you should be able to identify and resolve the issue causing the error message /IWFND/CM_DESIGNTIME123 Structure '&1' not valid.