How To Fix BRAIN679 - No complex selection possible for variable &.

SAP Error Message - Details

• Message type: E = Error

• Message class: BRAIN -

• Message number: 679

• Message text: No complex selection possible for variable &.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message BRAIN679 - No complex selection possible for variable &. ?

  The SAP error message BRAIN679 ("No complex selection possible for variable &.") typically occurs in the context of SAP BW (Business Warehouse) when you are trying to use a variable in a query that does not support complex selections. This can happen when the variable is defined in a way that does not allow for the selection of multiple values or ranges, or when the query is not set up to handle complex selections.
  Cause:
  
  Variable Type: The variable may be defined as a single value variable, which does not allow for complex selections (like ranges or multiple values).
  Query Design: The query may not be designed to handle complex selections for the specific variable.
  Data Source Limitations: The underlying data source may not support complex selections for the variable in question.
  Incorrect Variable Settings: The settings for the variable may not be configured to allow for complex selections.
  
  Solution:
  
  
  Check Variable Definition:
  
  Go to the variable definition in the SAP BW system and check if it is set to allow multiple values or ranges. If it is set to a single value, consider changing it to allow for multiple selections.
  
  
  
  Modify Query:
  
  Review the query design in the Query Designer. Ensure that the variable is correctly linked and that the query is set up to handle complex selections.
  
  
  
  Adjust Data Source:
  
  If the data source does not support complex selections, consider using a different data source or modifying the existing one to allow for complex selections.
  
  
  
  Variable Settings:
  
  Check the settings of the variable in the variable maintenance screen. Ensure that the "Multiple Selection" option is enabled if you want to allow users to select multiple values.
  
  
  
  Testing:
  
  After making changes, test the query again to see if the error persists. If it does, further investigation into the query and variable settings may be necessary.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Refer to SAP BW documentation for detailed information on variable types and query design best practices.
  Community Forums: Engage with SAP community forums or support channels for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the BRAIN679 error and enable complex selections for the variable in question.