How To Fix DMC_GENERAL018 - Parameter &1: &2 is not alpanumeric


SAP Error Message - Details

  • Message type: E = Error

  • Message class: DMC_GENERAL - MWB: General Messages

  • Message number: 018

  • Message text: Parameter &1: &2 is not alpanumeric

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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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Smart SAP Assistant

  • What is the cause and solution for SAP error message DMC_GENERAL018 - Parameter &1: &2 is not alpanumeric ?

    The SAP error message DMC_GENERAL018 indicates that a parameter in your Data Management Console (DMC) operation is not alphanumeric. This typically means that a value being processed contains characters that are not letters or numbers, which can lead to issues in data processing or integration tasks.

    Cause:

    1. Invalid Characters: The parameter specified in the error message contains special characters, spaces, or symbols that are not allowed.
    2. Data Entry Error: There may have been a mistake in data entry where non-alphanumeric characters were inadvertently included.
    3. Configuration Issues: The configuration settings for the DMC or the specific operation may not be set up to handle certain characters.

    Solution:

    1. Identify the Parameter: Check the error message for the specific parameter indicated by &1 and &2. This will help you pinpoint which value is causing the issue.
    2. Review Input Values: Go through the input values for the operation and ensure that all parameters are strictly alphanumeric (i.e., only letters and numbers).
    3. Data Cleansing: If the data is coming from an external source, consider implementing data cleansing processes to remove or replace invalid characters before they are processed by DMC.
    4. Configuration Review: Review the configuration settings in the DMC to ensure that they are set up correctly and that any restrictions on character types are understood.
    5. Testing: After making the necessary changes, test the operation again to ensure that the error does not recur.

    Related Information:

    • SAP Documentation: Refer to the official SAP documentation for DMC for more details on valid parameter formats and restrictions.
    • SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found effective.
    • Logs and Traces: Check the logs and traces in the DMC for additional context around the error, which may provide further insights into the root cause.

    By following these steps, you should be able to resolve the DMC_GENERAL018 error and ensure that your parameters are correctly formatted for processing.

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