How To Fix E9150 - Unknown error occurred during selection with structure reader (entity &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: E9 - General IS-U Error Messages

• Message number: 150

• Message text: Unknown error occurred during selection with structure reader (entity &1)

What causes this issue?

The structure reader could not select the requested data because the
data base access module &V2A& ends with an exception.
The structure reader has just selected the entity &V1&.

System Response

The selection is cancelled and the result is undefined. The
functionality you started may possibly be carried out the next time you
call it up.

How to fix this error?

Call up the function again.
If the error occurs again, contact SAP.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E9150 - Unknown error occurred during selection with structure reader (entity &1) ?

  The SAP error message E9150, which states "Unknown error occurred during selection with structure reader (entity &1)," typically indicates that there is an issue with the data selection process in the SAP system, particularly when using a structure reader for a specific entity. This error can arise from various underlying causes, and addressing it may require a systematic approach.
  Possible Causes:
  
  Data Model Issues: There may be inconsistencies or issues in the data model or the structure definition for the entity specified in the error message.
  Authorization Problems: The user may not have the necessary authorizations to access the data for the specified entity.
  Configuration Errors: Incorrect configuration settings in the SAP system related to the entity or the structure reader could lead to this error.
  System Bugs: There may be bugs or issues in the SAP version being used that affect the structure reader functionality.
  Data Integrity Issues: Corrupted or inconsistent data in the database could lead to selection errors.
  
  Solutions:
  
  Check Data Model: Review the data model and structure definitions for the entity in question. Ensure that they are correctly defined and that there are no inconsistencies.
  Review Authorizations: Verify that the user encountering the error has the necessary authorizations to access the entity. This can be done by checking user roles and permissions.
  Configuration Review: Examine the configuration settings related to the entity and the structure reader. Ensure that all settings are correct and aligned with the intended functionality.
  System Updates: Check for any available patches or updates for the SAP system that may address known bugs related to the structure reader.
  Data Consistency Check: Perform a data consistency check to identify and resolve any integrity issues in the database that may be causing the error.
  Debugging: If you have access to development tools, consider debugging the process to identify the exact point of failure and gather more information about the error.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may provide specific guidance or fixes related to this error message.
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator) to investigate the structure definitions and data models.
  Logs and Traces: Check system logs (transaction SLG1) and traces for additional error messages or warnings that may provide more context about the issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance, providing them with detailed information about the error and the steps taken to troubleshoot it.