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How To Fix SWL_WP051 - Registry-based name "&1" contains invalid characters


SAP Error Message - Details

  • Message type: E = Error

  • Message class: SWL_WP - Message for Workflow in Workplace

  • Message number: 051

  • Message text: Registry-based name "&1" contains invalid characters

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  • 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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    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.

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Smart SAP Assistant

  • What is the cause and solution for SAP error message SWL_WP051 - Registry-based name "&1" contains invalid characters ?

    The SAP error message SWL_WP051 indicates that a registry-based name contains invalid characters. This error typically arises when the name used in a workflow or a related configuration does not adhere to the naming conventions expected by SAP.

    Cause:

    The error is caused by the presence of invalid characters in the name specified in the registry. SAP has specific rules regarding what characters are allowed in names, and if any invalid characters are included, the system will throw this error.

    Common Invalid Characters:

    • Special characters (e.g., @, #, $, %, &, etc.)
    • Spaces
    • Punctuation marks
    • Any character that is not alphanumeric (A-Z, a-z, 0-9)

    Solution:

    To resolve the SWL_WP051 error, follow these steps:

    1. Identify the Invalid Name: Check the error message for the specific name that is causing the issue. The placeholder "&1" will be replaced with the actual name in the error message.

    2. Review Naming Conventions: Ensure that the name adheres to SAP's naming conventions. Typically, valid names should:

      • Only contain alphanumeric characters (A-Z, a-z, 0-9).
      • Avoid special characters and spaces.
      • Start with a letter.
    3. Modify the Name: If you find that the name contains invalid characters, modify it to remove or replace those characters with valid ones. For example, replace spaces with underscores or remove special characters.

    4. Update the Registry: After modifying the name, update the registry or configuration where the name is used.

    5. Test the Changes: After making the changes, test the workflow or process again to ensure that the error is resolved.

    Related Information:

    • SAP Documentation: Refer to the official SAP documentation for guidelines on naming conventions and best practices.
    • SAP Community: Check the SAP Community forums for discussions related to this error, as other users may have encountered and resolved similar issues.
    • Transaction Codes: You may need to use transaction codes like SWI1 (Work Item Selection) or SWI2_FREQ (Work Item Selection - Frequency) to analyze workflows and identify problematic names.

    By following these steps, you should be able to resolve the SWL_WP051 error and ensure that your registry-based names are valid.

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