How To Fix /IWBEP/CM_CP129 - Unit property missing: Complex Type '&1', property '&2', unit prop. '&3'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_CP -

• Message number: 129

• Message text: Unit property missing: Complex Type '&1', property '&2', unit prop. '&3'

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 /IWBEP/CM_CP129 - Unit property missing: Complex Type '&1', property '&2', unit prop. '&3' ?

  The SAP error message /IWBEP/CM_CP129 indicates that there is a missing unit property in a complex type definition within the SAP Gateway framework. This error typically arises when you are working with OData services and there is a mismatch or omission in the metadata definition of a complex type.
  Cause:
  
  Missing Unit Property: The error suggests that a complex type is defined, but one of its properties is expected to have a unit property that is not defined.
  Incorrect Metadata Definition: The metadata for the OData service may not be correctly defined, leading to inconsistencies in the expected structure.
  Changes in Data Model: If there have been recent changes to the data model or the underlying database structure, the OData service may not have been updated accordingly.
  Inconsistent Annotations: Annotations related to units of measure may be missing or incorrectly specified in the service definition.
  
  Solution:
  
  Check Metadata Definition: Review the metadata definition of the OData service to ensure that all complex types and their properties are correctly defined, including any unit properties.
  Update Service: If there have been changes to the underlying data model, regenerate the OData service to ensure that the metadata is up to date.
  
  Use transaction code /IWFND/MAINT_SERVICE to maintain and activate the OData service.
  
  
  Define Unit Properties: If the complex type is supposed to have unit properties, ensure that these are defined in the corresponding ABAP structure or data element.
  Check Annotations: Verify that the annotations for the properties in the complex type are correctly specified, especially those related to units of measure.
  Debugging: If the issue persists, consider debugging the OData service to trace where the error is occurring and gather more context about the missing properties.
  
  Related Information:
  
  OData Services: Understanding how OData services work in SAP Gateway is crucial. Familiarize yourself with the concepts of entity types, complex types, and properties.
  SAP Gateway: Knowledge of the SAP Gateway framework and how it interacts with backend systems can help in troubleshooting issues related to service definitions.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide guidance on similar error messages.
  Documentation: Refer to the official SAP documentation for OData services and the SAP Gateway to understand best practices for defining complex types and properties.
  
  By following these steps, you should be able to identify and resolve the issue related to the /IWBEP/CM_CP129 error message.