How To Fix BRAIN017 - Invalid read mode

BRAIN017 - Overview

• 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.

BRAIN017 - Details

• 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