How To Fix BRAIN045 - Variable &1 for characteristic &2 has been converted to a required entry

SAP Error Message - Details

• Message type: E = Error

• Message class: BRAIN -

• Message number: 045

• Message text: Variable &1 for characteristic &2 has been converted to a required entry

What causes this issue?

In the following cases, an optional entry for &V1& is not possible:
&V1& is used in a selection row with exclude (SIGN = E).
&V1& is used in a selection row where the operator is not EQ or BETWEEN.
The selection row is an interval and both the From value and To value
are optional variables
The selection is a structure element (FEMS > 0) and consists of several
selection rows with include (SIGN = I) for the same characteristic

System Response

The variable&V1& is set as a mandatory entry in this query.

How to fix this error?

If you can permit the mandatory entry setting, you do not have to
perform any further steps.
Alternatively, you can use an optional interval variable. You can also
define two or more (hidden) selection elements, which you merge with a
formula element.

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 BRAIN045 - Variable &1 for characteristic &2 has been converted to a required entry ?

  The SAP error message BRAIN045 indicates that a variable in a query has been converted to a required entry. This typically occurs in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when a variable is defined in a way that it expects a mandatory input from the user, but the system is unable to process it as such.
  Cause:
  
  Variable Definition: The variable in question may have been defined as a mandatory input variable in the query definition. This means that the user must provide a value for this variable when executing the query.
  Default Values: If the variable is set to have a default value but that value is not valid or cannot be determined at runtime, the system may convert it to a required entry.
  User Input: The user may not have provided a value for the variable when executing the query, leading to the error.
  Data Source Issues: There may be issues with the data source or the underlying data model that prevent the variable from being populated correctly.
  
  Solution:
  
  Check Variable Settings: Review the settings of the variable in the query designer. Ensure that it is correctly defined and that the properties (like default values, optional/mandatory settings) are set as intended.
  Provide Input: When executing the query, ensure that you provide a valid input for the variable. If it is mandatory, the query will not execute without it.
  Default Value Configuration: If the variable is supposed to have a default value, check the configuration to ensure that the default value is valid and can be resolved at runtime.
  Test with Different Inputs: Try executing the query with different inputs to see if the issue persists. This can help identify if the problem is with specific values.
  Check Data Source: Ensure that the data source is functioning correctly and that there are no issues with the underlying data that could affect the variable's resolution.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Refer to the SAP BW/BI documentation for detailed information on variable handling and query design best practices.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to resolve the BRAIN045 error and ensure that your queries execute successfully.