How To Fix SD_CDS_ENTITY098 - Reading source of projection view (&1) failed

SAP Error Message - Details

• Message type: E = Error

• Message class: SD_CDS_ENTITY - Messages for STOBS/entities

• Message number: 098

• Message text: Reading source of projection view (&1) failed

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 SD_CDS_ENTITY098 - Reading source of projection view (&1) failed ?

  The SAP error message SD_CDS_ENTITY098 indicates that there was a failure in reading the source of a projection view in the context of Core Data Services (CDS) views. This error typically arises in the Sales and Distribution (SD) module when there is an issue with the underlying data model or the configuration of the CDS view.
  Causes
  
  Data Model Issues: The underlying data model for the projection view may not be correctly defined or may have inconsistencies.
  Authorization Issues: The user may not have the necessary authorizations to access the data source of the projection view.
  Database Issues: There may be issues with the database connection or the database itself, such as missing tables or views.
  Transport Issues: If the CDS view was recently transported from one system to another, there may be inconsistencies or missing objects in the target system.
  Incorrect Configuration: The projection view may be incorrectly configured, leading to issues when trying to read the data.
  
  Solutions
  
  Check Data Model: Verify that the underlying data model for the projection view is correctly defined. Ensure that all necessary tables and fields are available and correctly mapped.
  Review Authorizations: Ensure that the user executing the CDS view has the necessary authorizations to access the data sources involved.
  Database Connection: Check the database connection settings and ensure that the database is up and running without issues. Look for any database errors or logs that might indicate problems.
  Transport Consistency: If the issue arose after a transport, check that all necessary objects were transported correctly. You may need to re-transport or adjust the configuration in the target system.
  Debugging: Use transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator) to analyze the CDS view and its components. You can also use transaction SE37 to check any associated function modules.
  Check for Notes and Patches: Look for any SAP Notes or patches that may address known issues with the specific CDS view or related components.
  
  Related Information
  
  SAP Documentation: Refer to the official SAP documentation for Core Data Services and the specific CDS view you are working with for detailed information on its structure and usage.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11, SE80, SE37, and SE38 for debugging and analyzing the CDS views and their components.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurs.