How To Fix DMC_IU021 - For parameter &1, the necessary value has not been maintained

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_IU - DMC: Messages for Integrated Upgrade

• Message number: 021

• Message text: For parameter &1, the necessary value has not been maintained

What causes this issue?

In the current transport parameter file, parameter &V1& does not have
the required value.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Either change the parameter value in the transport parameter file to the
required value, or create an alternative parameter file that contains
the required values. If you opt for an alternative p arameter file,
store this file fort he current client (see also "Specify Alternative
Parameter File").

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_IU021 - For parameter &1, the necessary value has not been maintained ?

  The SAP error message DMC_IU021 indicates that a required parameter value has not been maintained in the system. This error typically arises in the context of data management or integration processes, particularly when using SAP Data Management or SAP Data Intelligence.
  Cause:
  The error occurs when a specific parameter (denoted as &1 in the message) is expected to have a value, but it has not been set. This can happen due to various reasons, such as:
  
  Configuration Issues: The necessary configuration for the data management process has not been completed.
  Missing Data: The required data for the parameter has not been entered or is missing in the relevant master data or transactional data.
  Incorrect Mapping: If the parameter is part of a mapping or transformation process, it may not have been correctly defined or linked.
  User Input Error: A user may have overlooked entering a value for the parameter during a data entry process.
  
  Solution:
  To resolve the DMC_IU021 error, you can follow these steps:
  
  
  Identify the Parameter: Check the error message to identify which parameter (&1) is causing the issue. This will guide you to the specific area that needs attention.
  
  
  Maintain the Parameter Value:
  
  Navigate to the relevant configuration or data entry screen in SAP.
  Ensure that the required value for the identified parameter is entered and saved.
  
  
  
  Review Configuration Settings: If the parameter is part of a configuration setting, review the configuration to ensure all necessary values are maintained.
  
  
  Check Data Sources: If the parameter relies on data from other sources, ensure that those sources are correctly populated and accessible.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the parameter in question.
  
  
  Testing: After making the necessary changes, test the process again to ensure that the error has been resolved.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message DMC_IU021.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as those related to data management or configuration.
  User Forums: Engage with SAP community forums or user groups for additional insights and solutions from other users who may have encountered the same issue.
  
  If the problem persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.