How To Fix /IWXBE/CORE031 - Parameter name '&1' contains invalid characters

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWXBE/CORE -

• Message number: 031

• Message text: Parameter name '&1' contains invalid characters

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWXBE/CORE031 - Parameter name '&1' contains invalid characters ?

  The SAP error message /IWXBE/CORE031 Parameter name '&1' contains invalid characters typically indicates that a parameter name being used in a transaction or function module contains characters that are not allowed. This can occur in various contexts, such as when working with Business Add-Ins (BAdIs), enhancements, or custom development.
  Cause:
  
  Invalid Characters: The parameter name may contain special characters, spaces, or other invalid characters that are not permitted in SAP naming conventions.
  Incorrect Configuration: The error may arise from incorrect configuration settings in a custom program or enhancement.
  Data Entry Error: A user may have inadvertently entered an invalid parameter name in a transaction or configuration screen.
  
  Solution:
  
  
  Check Parameter Name: Review the parameter name that is causing the error. Ensure that it adheres to SAP naming conventions:
  
  Use only alphanumeric characters (A-Z, a-z, 0-9).
  Avoid special characters (e.g., @, #, $, %, etc.) and spaces.
  Ensure the name does not start with a number.
  
  
  
  Modify Configuration: If the error is related to a configuration setting, navigate to the relevant configuration area and correct the parameter name.
  
  
  Debugging: If you are a developer, you may need to debug the program or function module to identify where the invalid parameter name is being set or passed. Use transaction SE80 or SE37 to analyze the code.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific transaction or function you are working with to ensure compliance with naming conventions.
  
  
  Contact Support: If you are unable to resolve the issue, consider reaching out to SAP support or your internal SAP team for assistance.
  
  
  Related Information:
  
  SAP Naming Conventions: Familiarize yourself with SAP's naming conventions for parameters, variables, and other identifiers.
  Transaction Codes: Depending on the context of the error, you may want to check specific transaction codes related to the area you are working in (e.g., SE80 for Object Navigator, SE37 for Function Modules).
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address similar issues or provide additional guidance.
  
  By following these steps, you should be able to identify and resolve the issue related to the invalid parameter name in SAP.