How To Fix /IWBEP/CM_MGW_GENER005 - Derived class name '&1' longer than 30 characters

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_GENER -

• Message number: 005

• Message text: Derived class name '&1' longer than 30 characters

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_MGW_GENER005 - Derived class name '&1' longer than 30 characters ?

  The SAP error message /IWBEP/CM_MGW_GENER005 indicates that a derived class name exceeds the maximum allowed length of 30 characters. This error typically occurs in the context of SAP Gateway and OData service generation, where class names are automatically generated based on the service definition.
  Cause:
  The error is caused by the naming convention used in the OData service. When the service is generated, the system creates class names based on the entity types and their properties. If the combined length of the derived class name exceeds 30 characters, this error will be triggered.
  Solution:
  To resolve this issue, you can take the following steps:
  
  
  Shorten Entity Names: Review the names of your entity types and properties in the OData service. If any of them are long, consider renaming them to shorter alternatives. This will help ensure that the generated class names remain within the 30-character limit.
  
  
  Check Naming Conventions: Ensure that the naming conventions used for your entities and properties are concise. Avoid using unnecessary prefixes or suffixes that could contribute to longer names.
  
  
  Regenerate the Service: After making changes to the entity names, regenerate the OData service. This can typically be done in the SAP Gateway Service Builder (transaction code SEGW) by right-clicking on the service and selecting the option to regenerate.
  
  
  Test the Service: Once the service is regenerated, test it to ensure that the error no longer occurs and that the service functions as expected.
  
  
  Related Information:
  
  SAP Gateway: This is a technology that allows you to connect devices, environments, and applications to SAP systems. It is often used to expose SAP data and functionality as OData services.
  OData Services: Open Data Protocol (OData) is a standard protocol for creating and consuming data APIs. In SAP, OData services are used to expose business data to various clients.
  Naming Conventions: It's important to follow best practices for naming conventions in SAP to avoid issues like this. Keeping names concise and meaningful can help prevent errors during service generation.
  
  If the problem persists after following these steps, you may want to consult SAP support or refer to the SAP Community for further assistance.