How To Fix /IBX/RBD_IPX139 - Operator &1 is not permitted for initial variable name

SAP Error Message - Details

• Message type: E = Error

• Message class: /IBX/RBD_IPX -

• Message number: 139

• Message text: Operator &1 is not permitted for initial variable name

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IBX/RBD_IPX139 - Operator &1 is not permitted for initial variable name ?

  The SAP error message /IBX/RBD_IPX139 Operator &1 is not permitted for initial variable name typically occurs in the context of SAP Integrated Business Planning (IBP) or similar applications where you are working with planning models, variables, or key figures. This error indicates that there is an issue with the syntax or the use of operators in the definition of a variable or key figure.
  Cause:
  
  Invalid Operator: The error suggests that an operator (like +, -, *, /, etc.) is being used incorrectly in the context of defining an initial variable name.
  Syntax Error: There may be a syntax error in the formula or expression where the variable is being defined.
  Incorrect Variable Name: The variable name may not conform to the naming conventions or rules set by the system.
  
  Solution:
  
  Check the Formula: Review the formula or expression where the variable is defined. Ensure that you are not using any operators in a way that is not allowed.
  Correct Naming Conventions: Ensure that the variable name follows the naming conventions required by SAP. Variable names should typically start with a letter and can include letters, numbers, and underscores.
  Remove Invalid Operators: If you are using an operator at the beginning of the variable name or in a way that is not permitted, remove it or replace it with a valid expression.
  Consult Documentation: Refer to the SAP documentation for the specific version you are using to understand the allowed syntax and operators for defining variables.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Community Forums: Look for discussions in SAP Community forums or other user groups where similar issues may have been addressed.
  Training and Documentation: If you are new to SAP IBP or the specific module you are working with, consider reviewing training materials or documentation to better understand how to define variables and key figures correctly.
  
  If the issue persists after checking these aspects, it may be helpful to reach out to your SAP support team or consult with a technical expert who can provide more specific guidance based on your system configuration and the context in which the error occurs.