How To Fix /AIFX/SIW_MES009 - Namespace '&1': space not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: /AIFX/SIW_MES -

• Message number: 009

• Message text: Namespace '&1': space not allowed

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /AIFX/SIW_MES009 - Namespace '&1': space not allowed ?

  The SAP error message /AIFX/SIW_MES009 Namespace '&1': space not allowed typically occurs in the context of the SAP Application Interface Framework (AIF) when there is an issue with the namespace configuration. This error indicates that the namespace defined in the AIF configuration contains spaces, which is not permitted.
  Cause:
  
  Invalid Namespace Definition: The namespace defined in the AIF configuration contains one or more spaces. Namespaces in SAP AIF must adhere to specific naming conventions, which do not allow spaces.
  Incorrect Configuration: The error may arise from incorrect settings in the AIF configuration, where the user might have inadvertently included spaces while defining the namespace.
  
  Solution:
  
  
  Check Namespace Configuration:
  
  Go to the AIF configuration settings in your SAP system.
  Navigate to the relevant configuration area where the namespace is defined.
  Look for any entries that contain spaces in the namespace field.
  
  
  
  Correct the Namespace:
  
  Remove any spaces from the namespace definition.
  Ensure that the namespace follows the correct naming conventions (e.g., it should typically start with a letter and can include letters, numbers, and underscores).
  
  
  
  Save Changes:
  
  After making the necessary corrections, save the changes in the configuration.
  Test the configuration to ensure that the error no longer occurs.
  
  
  
  Transport Changes (if applicable):
  
  If you are working in a development environment, ensure that the changes are transported to the quality and production environments as needed.
  
  
  
  Related Information:
  
  Namespace Naming Conventions: Familiarize yourself with the naming conventions for namespaces in SAP AIF to avoid similar issues in the future.
  SAP Notes: Check for any relevant SAP Notes that might provide additional guidance or updates related to this error message.
  Documentation: Refer to the official SAP documentation for AIF for more detailed information on configuration and best practices.
  
  If the issue persists after following these steps, consider reaching out to your SAP Basis or AIF support team for further assistance.