How To Fix BRAIN017 - Invalid read mode

SAP Error Message - Details

• Message type: E = Error

• Message class: BRAIN -

• Message number: 017

• Message text: Invalid read mode

What causes this issue?

When queries (often unintentionally) have the read mode <ZK>Read
Everything at Once</>, this often leads to performance problems. To rule
out this problem, this warning is displayed when you execute a query
with this read mode, assuming the query is generated.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Before you execute the query, repair the read mode:
You can use transaction RSRT to repair the read mode for this special
query. You can set the read mode for the selected query by choosing <ZK>
Query -> Read Mode</>.
If this warning is displayed when you check the query, you need to
change the default read mode for new queries in the InfoCube in InfoCube
maintenance. (Choose <ZK>Environment -> InfoProvider Properties ->
Change</> and then the <ZK>Query/Cache</> tab page.)

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BRAIN017 - Invalid read mode ?

  The SAP error message BRAIN017: Invalid read mode typically occurs in the context of SAP Business Warehouse (BW) or SAP BusinessObjects when there is an issue with the data retrieval mode specified in a query or report. This error indicates that the system is unable to process the request due to an invalid or unsupported read mode.
  Causes:
  
  Incorrect Read Mode Specification: The read mode specified in the query or report may not be valid. This can happen if the read mode is misspelled or if it is not supported by the data source.
  Configuration Issues: There may be configuration issues in the BW system or the reporting tool that lead to the invalid read mode.
  Version Compatibility: The version of the reporting tool or the BW system may not support the specified read mode.
  Data Source Issues: The data source being queried may not be properly set up or may not support the requested read mode.
  
  Solutions:
  
  Check Read Mode: Review the query or report configuration to ensure that the read mode is correctly specified. Common read modes include "Display," "Change," or "Delete." Make sure that the mode you are using is valid for the context.
  Update Configuration: If there are configuration issues, ensure that the BW system and the reporting tool are properly configured to support the required read modes.
  Consult Documentation: Refer to the SAP documentation for the specific version of BW or the reporting tool you are using to verify the supported read modes.
  Test with Default Settings: If possible, try running the query or report with default settings to see if the error persists. This can help identify if the issue is with custom settings.
  Check for Updates: Ensure that both the BW system and the reporting tool are up to date with the latest patches and updates, as this can resolve compatibility issues.
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to the BRAIN017 error. SAP frequently publishes notes that provide solutions or workarounds for specific error messages.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  Logs and Traces: Review system logs and traces to gather more information about the error context, which can help in diagnosing the issue.
  
  By following these steps, you should be able to identify the cause of the BRAIN017 error and implement a suitable solution.