How To Fix DMC_IU104 - Object list &1 could not be activated

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 104

• Message text: Object list &1 could not be activated

Self-Explanatory Message

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_IU104 - Object list &1 could not be activated ?

  The SAP error message DMC_IU104, which states "Object list &1 could not be activated," typically occurs in the context of Data Management and Data Integration processes within SAP systems, particularly when working with Data Migration Cockpit (DMC) or similar tools.
  Cause:
  The error can arise due to several reasons, including but not limited to:
  
  Missing Authorizations: The user may not have the necessary authorizations to activate the object list.
  Incorrect Configuration: There may be issues with the configuration of the object list or the data model.
  Data Integrity Issues: The data being processed may have integrity issues, such as missing mandatory fields or invalid data formats.
  Technical Issues: There could be underlying technical issues, such as database locks or system performance problems.
  Dependencies: The object list may depend on other objects that are not activated or are in an inconsistent state.
  
  Solution:
  To resolve the DMC_IU104 error, you can take the following steps:
  
  
  Check Authorizations: Ensure that the user has the necessary authorizations to activate the object list. This may involve checking roles and permissions in the SAP system.
  
  
  Review Configuration: Verify the configuration settings for the object list. Ensure that all required fields are correctly defined and that there are no inconsistencies.
  
  
  Validate Data: Check the data being processed for any integrity issues. Ensure that all mandatory fields are filled and that the data adheres to the expected formats.
  
  
  Check for Locks: Investigate if there are any database locks or ongoing processes that might be preventing the activation. You can use transaction codes like SM12 to check for locks.
  
  
  Review Logs: Look at the application logs (transaction SLG1) for more detailed error messages that can provide additional context about why the activation failed.
  
  
  Dependencies: Ensure that all dependent objects are activated and in a consistent state. If there are dependencies, activate them first.
  
  
  System Performance: If the system is under heavy load, consider performing the activation during off-peak hours or after optimizing system performance.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of the Data Migration Cockpit you are using for any known issues or patches.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific fixes or updates related to the DMC_IU104 error.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as DMC, SLG1 (Application Log), and SM12 (Lock Entries) for troubleshooting.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.