How To Fix K7091 - Variable name can only contain letters and numbers

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 091

• Message text: Variable name can only contain letters and numbers

What causes this issue?

The variable name contains special characters that are not allowed.

System Response

You cannot create the variable with this name.

How to fix this error?

A variable name can only contain letters and numters. Change the
variable name.

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 K7091 - Variable name can only contain letters and numbers ?

  The SAP error message K7091, which states "Variable name can only contain letters and numbers," typically occurs when you are trying to create or use a variable in SAP that does not conform to the naming conventions required by the system. This error is common in various SAP modules, especially in the context of reporting, planning, or when working with variables in queries.
  Cause:
  The error is triggered when:
  
  The variable name includes special characters (e.g., spaces, symbols, punctuation).
  The variable name starts with a number.
  The variable name is too long or does not meet the specific naming conventions set by SAP.
  
  Solution:
  To resolve the K7091 error, you should:
  
  Check the Variable Name: Ensure that the variable name consists only of letters (A-Z, a-z) and numbers (0-9). Avoid using any special characters or spaces.
  Naming Conventions: Follow the naming conventions for variables in SAP. Typically, variable names should start with a letter and can be followed by letters and numbers.
  Length of the Variable: Ensure that the variable name does not exceed the maximum length allowed by SAP (usually 30 characters).
  Modify the Variable: If you have control over the variable definition, modify it to comply with the above rules.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for guidelines on naming conventions and variable usage.
  SAP Community: Engage with the SAP Community forums for additional insights and solutions from other users who may have encountered similar issues.
  Testing: After making changes to the variable name, test the functionality to ensure that the error is resolved and that the variable behaves as expected in your reports or queries.
  
  By adhering to these guidelines, you should be able to resolve the K7091 error and successfully use your variables in SAP.