How To Fix K7090 - No operators are allowed for variable "&"

SAP Error Message - Details

• Message type: E = Error

• Message class: K7 - Messages for Row/Column Structure

• Message number: 090

• Message text: No operators are allowed for variable "&"

What causes this issue?

Variable & is a global variable for which you can use selection
options. Such variables cannot be used in calculations.

System Response

The system rejects your entry.

How to fix this error?

Use a different variable or delete the calculation sign.

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 K7090 - No operators are allowed for variable "&" ?

  The SAP error message K7090, which states "No operators are allowed for variable '&'", typically occurs in the context of SAP Controlling (CO) when you are trying to execute a report or transaction that involves variable selection in a report or planning function. This error indicates that the variable you are trying to use does not support the operation you are attempting to perform.
  Cause:
  
  Invalid Variable Usage: The variable you are trying to use may not be defined correctly or is not compatible with the operation you are trying to perform. For example, you might be trying to apply a mathematical operation or filter on a variable that is not designed to accept such operations.
  Variable Type: The variable might be of a type that does not allow for operators, such as a text variable or a characteristic that is not numeric.
  Configuration Issues: There may be issues with the configuration of the report or planning function that is causing the variable to be treated incorrectly.
  
  Solution:
  
  Check Variable Definition: Review the definition of the variable in the SAP system. Ensure that it is set up correctly and is of the appropriate type for the operation you are trying to perform.
  Modify the Report/Planning Function: If the variable is not suitable for the operation, consider modifying the report or planning function to either remove the operation or replace the variable with one that is compatible.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on the specific variable and its allowed operations.
  Test with Different Variables: If possible, test the report or function with different variables to see if the issue persists. This can help isolate whether the problem is with the specific variable or the overall configuration.
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a critical issue affecting business processes.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Transaction Codes: Familiarize yourself with transaction codes related to variable management in SAP CO, such as KEB0 (for planning) or KSB1 (for reports).
  User 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 diagnose and resolve the K7090 error in SAP.