How To Fix SADL_EXPOSURE087 - An exception occured during checking of projection view &1:

SAP Error Message - Details

• Message type: E = Error

• Message class: SADL_EXPOSURE - Errors During Exposure Compilation

• Message number: 087

• Message text: An exception occured during checking of projection view &1:

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 SADL_EXPOSURE087 - An exception occured during checking of projection view &1: ?

  The SAP error message SADL_EXPOSURE087 indicates that an exception occurred during the checking of a projection view in the SAP system. This error is typically related to the SAP Data Access Layer (SADL) and can arise in various scenarios, particularly when working with CDS (Core Data Services) views or when trying to expose data models.
  Possible Causes:
  
  Incorrect Projection View Definition: The projection view may have been defined incorrectly, leading to issues when the system tries to validate or check it.
  Missing Annotations: Required annotations for the projection view might be missing, which can cause the system to fail during the check.
  Data Model Inconsistencies: There may be inconsistencies in the underlying data model or relationships that the projection view relies on.
  Authorization Issues: The user executing the operation may not have the necessary authorizations to access the projection view or its underlying data.
  Technical Issues: There could be technical issues or bugs in the SAP system that are causing the error.
  
  Solutions:
  
  Check Projection View Definition: Review the definition of the projection view for any syntax errors or logical inconsistencies. Ensure that all fields and associations are correctly defined.
  Add Missing Annotations: Ensure that all required annotations are present in the projection view. This may include annotations for data exposure, such as @AbapCatalog.sqlViewName or @AccessControl.authorizationCheck.
  Validate Data Model: Check the underlying data model for any inconsistencies or issues. Ensure that all referenced entities and associations are correctly defined and accessible.
  Review Authorizations: Verify that the user has the necessary authorizations to access the projection view and its underlying data. This may involve checking roles and permissions in the SAP system.
  Check System Logs: Look into the system logs (transaction SLG1) for more detailed error messages or stack traces that can provide additional context about the issue.
  Consult SAP Notes: Search for relevant SAP Notes or Knowledge Base Articles (KBAs) that may address this specific error or provide guidance on similar issues.
  Debugging: If you have access to the development environment, consider debugging the code to identify the exact point of failure.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for SADL and CDS views for best practices and guidelines on defining projection views.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  SAP Support: If the issue persists and you have a valid support contract, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to diagnose and resolve the SADL_EXPOSURE087 error in your SAP environment.