How To Fix CL_SADL_GW_MDE_MSG028 - Value & of Property & cannot be evaluated.

SAP Error Message - Details

• Message type: E = Error

• Message class: CL_SADL_GW_MDE_MSG -

• Message number: 028

• Message text: Value & of Property & cannot be evaluated.

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 CL_SADL_GW_MDE_MSG028 - Value & of Property & cannot be evaluated. ?

  The SAP error message CL_SADL_GW_MDE_MSG028 typically indicates that there is an issue with the evaluation of a property in a data model or query. This error can occur in the context of SAP Gateway and the SAP Application Development Framework (SADL) when the system is unable to interpret or process a specific value for a property in a data model.
  Cause:
  
  Invalid Value: The value being passed for a property may not be valid or may not conform to the expected data type or format.
  Missing Configuration: There may be missing or incorrect configuration in the data model or service definition.
  Data Type Mismatch: The data type of the property in the model may not match the data type of the value being provided.
  Inconsistent Data: The underlying data may be inconsistent or corrupted, leading to evaluation issues.
  Authorization Issues: Sometimes, authorization issues can prevent the system from accessing the necessary data to evaluate the property.
  
  Solution:
  
  Check the Value: Verify the value being passed for the property. Ensure it is valid and conforms to the expected data type and format.
  Review Data Model: Check the data model configuration in SADL. Ensure that all properties are correctly defined and that there are no missing or incorrect settings.
  Data Type Validation: Ensure that the data types of the properties in the model match the data types of the values being provided.
  Inspect Underlying Data: Look into the underlying data to ensure it is consistent and not corrupted. You may need to run data validation checks.
  Authorization Check: Ensure that the user has the necessary authorizations to access the data related to the property.
  Debugging: If the issue persists, consider debugging the application to trace where the evaluation is failing. This may provide more insight into the specific cause of the error.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Review the official SAP documentation for SADL and Gateway services to understand the expected configurations and data types.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues. They may provide insights or solutions based on their experiences.
  
  If the problem continues after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.