How To Fix CL_SADL_GW_MDE_MSGX058 - DataPoint is already annotated for element "&"

SAP Error Message - Details

• Message type: E = Error

• Message class: CL_SADL_GW_MDE_MSGX - texts for parser

• Message number: 058

• Message text: DataPoint is already annotated for element "&"

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CL_SADL_GW_MDE_MSGX058 - DataPoint is already annotated for element "&" ?

  The SAP error message CL_SADL_GW_MDE_MSGX058 indicates that there is an issue with the annotation of a DataPoint in the context of the SAP Gateway and the SAP Application Development Framework. Specifically, this error occurs when you attempt to annotate a DataPoint that has already been annotated for a particular element.
  Cause:
  The error is typically caused by one of the following reasons:
  
  Duplicate Annotations: The DataPoint you are trying to annotate has already been annotated in the system, leading to a conflict.
  Incorrect Configuration: There may be a misconfiguration in the way the DataPoint is defined or how annotations are being applied.
  Development Errors: If you are developing or customizing the application, there might be an oversight in the code or configuration that leads to this duplication.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Annotations:
  
  Review the existing annotations for the DataPoint in question. You can do this by checking the relevant CDS (Core Data Services) views or the OData service definitions.
  Ensure that you are not trying to add an annotation that already exists.
  
  
  
  Remove Duplicate Annotations:
  
  If you find that the DataPoint is already annotated, you may need to remove the duplicate annotation from your code or configuration.
  Make sure to only keep the necessary annotations that are required for your application.
  
  
  
  Modify the Annotation Logic:
  
  If your application logic requires multiple annotations, consider modifying the logic to handle this appropriately without causing conflicts.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific version you are using to understand the correct usage of annotations and DataPoints.
  
  
  
  Debugging:
  
  If you are unable to identify the issue, consider debugging the application to trace where the annotation is being applied and why it is causing a conflict.
  
  
  
  Seek Help from SAP Community:
  
  If the issue persists, consider reaching out to the SAP Community or SAP Support for further assistance. Provide them with details about your configuration and the steps you have taken.
  
  
  
  Related Information:
  
  SAP Gateway: Understand how SAP Gateway works and how it handles OData services and annotations.
  Core Data Services (CDS): Familiarize yourself with CDS views and how they are used in conjunction with annotations.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  
  By following these steps, you should be able to resolve the error and ensure that your DataPoint annotations are correctly configured.