How To Fix CL_SADL_GW_MDE_MSG031 - Mandatory property & is missing

SAP Error Message - Details

• Message type: E = Error

• Message class: CL_SADL_GW_MDE_MSG -

• Message number: 031

• Message text: Mandatory property & is missing

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 CL_SADL_GW_MDE_MSG031 - Mandatory property & is missing ?

  The SAP error message CL_SADL_GW_MDE_MSG031 indicates that a mandatory property is missing in the context of a data model or service definition in the SAP Gateway. This error typically arises when you are trying to execute a service or operation that requires certain mandatory fields or properties to be present, but they are not provided in the request.
  Cause:
  
  Missing Mandatory Fields: The most common cause is that the request being sent to the SAP Gateway does not include all the required fields that are defined as mandatory in the data model.
  Incorrect Mapping: There may be an issue with how the fields are mapped in the service definition, leading to the system not recognizing the provided data.
  Service Definition Issues: The service definition itself may have been incorrectly configured, leading to the requirement of certain fields that are not being fulfilled.
  
  Solution:
  
  Check the Service Definition: Review the service definition in the SAP Gateway to identify which properties are marked as mandatory. You can do this in the SAP Gateway Service Builder (transaction code SEGW).
  Review the Request Payload: Ensure that the request you are sending includes all mandatory fields. This can be done by checking the API documentation or the metadata of the service.
  Debugging: If you have access to the backend, you can debug the service to see what data is being received and where it might be failing.
  Update the Request: Modify the request to include the missing mandatory properties. Ensure that the data types and formats match the expected values.
  Consult Documentation: Refer to the SAP documentation or help resources for the specific service you are working with to understand the required fields and their formats.
  
  Related Information:
  
  SAP Gateway: The SAP Gateway is a technology that allows you to connect devices, environments, and applications to SAP systems. Understanding how it works can help in troubleshooting issues.
  OData Services: If you are working with OData services, familiarize yourself with the OData protocol and how it handles entity properties, especially regarding mandatory fields.
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide additional guidance on this error message.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can provide insights or solutions.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.