BRAIN_SUP020 - Variable &1[&2] cannot be replaced from &3[&4]

SAP Error Message - Details

• Message type: E = Error

• Message class: BRAIN_SUP - BRAIN messages (for use by support)

• Message number: 020

• Message text: Variable &1[&2] cannot be replaced from &3[&4]

What causes this issue?

The multi-variable &V1&[&V2&] ( "Multiple individual values")
should be replaced with the value of variable &V3&[ &V4&]. But &V4& is
neither a selection option nor a multi-variable. Therefore the system
does not support this replacement.

System Response

Variable &V2& cannot be used.

How to fix this error?

Check the variables &V2& and &V4&.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BRAIN_SUP020 - Variable &1[&2] cannot be replaced from &3[&4] ?

  The SAP error message BRAIN_SUP020 indicates that there is an issue with the replacement of a variable in a query or report. This error typically occurs in the context of SAP Business Warehouse (BW) or SAP BusinessObjects when trying to execute a query that involves variables.
  Cause:
  The error message "Variable &1[&2] cannot be replaced from &3[&4]" generally means that the system is unable to replace a variable (denoted by &1) with the corresponding value from a specific data source (denoted by &3). The reasons for this error can include:
  
  Variable Not Defined: The variable you are trying to use may not be defined in the context of the query or report.
  Incompatible Data Types: The data type of the variable may not match the expected data type in the context where it is being used.
  Missing Authorizations: The user executing the query may not have the necessary authorizations to access the variable or the data source.
  Incorrect Query Design: The query may be incorrectly designed, leading to issues in variable replacement.
  Data Source Issues: The data source from which the variable is supposed to pull values may be unavailable or not properly configured.
  
  Solution:
  To resolve the BRAIN_SUP020 error, you can take the following steps:
  
  
  Check Variable Definition: Ensure that the variable you are trying to use is correctly defined in the query or report. Verify that it exists in the relevant InfoProvider or data source.
  
  
  Review Data Types: Check the data types of the variable and the data source. Ensure they are compatible and that the variable is being used in the correct context.
  
  
  Verify Authorizations: Ensure that the user executing the query has the necessary authorizations to access the variable and the data source. You may need to consult with your SAP security team.
  
  
  Examine Query Design: Review the design of the query to ensure that it is set up correctly. Look for any logical errors or misconfigurations that could lead to this issue.
  
  
  Check Data Source Availability: Ensure that the data source from which the variable is supposed to pull values is available and properly configured. Check for any connectivity issues or data source errors.
  
  
  Test with Different Variables: If possible, try using a different variable to see if the issue persists. This can help isolate whether the problem is with the specific variable or the query as a whole.
  
  
  Consult Documentation: Refer to SAP documentation or support notes related to the specific error message for additional guidance and troubleshooting steps.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  SAP BW Documentation: Review the documentation for SAP BW and query design best practices to ensure that your queries are set up correctly.
  
  By following these steps, you should be able to identify the root cause of the BRAIN_SUP020 error and implement a solution to resolve it.