How To Fix DMC_IU121 - Component &1 (from upgrade buffer) does not exist in receiver system

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 121

• Message text: Component &1 (from upgrade buffer) does not exist in receiver system

What causes this issue?

Component &V1& has been part of the upgrade buffer that has been used
for the analysis of the specified upgrade ID. However this component
does not exist in the receiver system in whicht these buffer extraction
is meant to be used.

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?

Find out if the upgrade ID you used was chosen correctly. If not, choose
another (compatible) upgrade ID.

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_IU121 - Component &1 (from upgrade buffer) does not exist in receiver system ?

  The SAP error message DMC_IU121 indicates that a component specified in the upgrade buffer does not exist in the receiver system during a system upgrade or migration process. This error typically arises in the context of SAP Landscape Management or during the Software Update Manager (SUM) process.
  Cause:
  
  Missing Component: The component mentioned in the error message is not installed in the target system. This could happen if the component was not included in the upgrade package or if it was removed in a previous upgrade.
  Incorrect Configuration: The configuration of the upgrade or migration might be incorrect, leading to references to components that are not applicable to the target system.
  Version Mismatch: The source and target systems may have different versions or configurations, leading to incompatibilities.
  Buffer Issues: There may be issues with the upgrade buffer itself, such as corruption or incomplete data.
  
  Solution:
  
  Check Installed Components: Verify the list of installed components in the target system using transaction code SPAM or SAINT. Ensure that the component mentioned in the error message is indeed installed.
  Update Upgrade Buffer: If the component is missing, you may need to update the upgrade buffer. This can be done by re-running the relevant steps in the Software Update Manager (SUM) or by using the appropriate tools to refresh the upgrade buffer.
  Review Upgrade Package: Ensure that the upgrade package includes all necessary components. If a component is missing, you may need to download the correct package from the SAP Service Marketplace.
  Check Configuration: Review the configuration settings for the upgrade process to ensure that they are correct and that they match the components available in the target system.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide solutions or workarounds for known issues.
  Log Analysis: Analyze the logs generated during the upgrade process for additional context or related errors that may provide further insight into the issue.
  
  Related Information:
  
  SAP Notes: Search for SAP Notes related to DMC_IU121 or the specific components involved. These notes often contain troubleshooting steps or patches.
  Documentation: Review the official SAP documentation for the upgrade process you are performing, as it may contain specific prerequisites or steps that need to be followed.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the issue persists after following these steps, consider reaching out to SAP Support for further assistance.