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How To Fix SIG630 - External signature: Signed document is updated


SAP Error Message - Details

  • Message type: E = Error

  • Message class: SIG - Digital Signature

  • Message number: 630

  • Message text: External signature: Signed document is updated

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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.



    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 SIG630 - External signature: Signed document is updated ?

    The SAP error message SIG630, which states "External signature: Signed document is updated," typically occurs when a document that has been signed externally (using a digital signature) is modified after the signing process. This can lead to the invalidation of the signature, as any changes to the document would alter the hash that was originally signed.

    Cause:

    1. Document Modification: The most common cause is that the document was altered after it was signed. This could be due to changes in the content, metadata, or any other attributes of the document.
    2. System Configuration: There may be issues with the configuration of the digital signature process in SAP, leading to improper handling of signed documents.
    3. User Actions: Users may inadvertently modify the document after it has been signed, such as adding comments or annotations.

    Solution:

    1. Avoid Modifications: Ensure that once a document is signed, it is not modified. If changes are necessary, consider creating a new version of the document and signing that version.
    2. Check Configuration: Review the configuration settings for the digital signature process in SAP. Ensure that the settings align with the requirements for handling signed documents.
    3. Re-sign the Document: If the document has been modified and the signature is invalid, you will need to re-sign the document after making the necessary changes.
    4. User Training: Educate users on the importance of not modifying signed documents and the implications of doing so.

    Related Information:

    • Digital Signature Process: Understanding how digital signatures work in SAP can help prevent issues. A digital signature is a cryptographic mechanism that ensures the integrity and authenticity of a document.
    • SAP Notes: Check SAP Notes for any updates or patches related to digital signatures and the SIG630 error. SAP frequently releases updates that may address known issues.
    • Documentation: Refer to SAP documentation regarding digital signatures and document management to ensure compliance with best practices.

    If the issue persists after following these steps, it may be beneficial to consult with SAP support or your internal IT team for further assistance.

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