How To Fix DMC_GENERAL017 - You must not specify a package other than &1

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_GENERAL - MWB: General Messages

• Message number: 017

• Message text: You must not specify a package other than &1

What causes this issue?

When saving a sub-component of either an MWB migration object,
subproject or project (for example, you are saving the structure
relationships of a migration object, or a rule of a subproject), this
sub-component must be assigned to the same package (development class)
as the corresponding main object (such as migration object, subproject,
or project).
Now the system detected that you tried to assign a different package to
the subcomponent. This is not allowed. Therefore, the processing is
canceled.

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?

Save the object again, but this time, enter the package shown in this
error message.

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_GENERAL017 - You must not specify a package other than &1 ?

  The SAP error message DMC_GENERAL017 typically occurs in the context of Data Migration Cockpit (DMC) or during data migration processes in SAP systems. The error message indicates that there is an issue with the package specification in your data migration task. Specifically, it states that you must not specify a package other than the one indicated by the placeholder &1.
  Cause:
  The error can be caused by several factors, including:
  
  Incorrect Package Specification: You may have specified a package that is not allowed or not recognized by the system for the current operation.
  Configuration Issues: There might be a misconfiguration in the data migration settings or the migration project.
  Version Mismatch: The version of the migration tool or the source/target system may not be compatible.
  User Permissions: The user executing the migration may not have the necessary permissions to access or use the specified package.
  
  Solution:
  To resolve the DMC_GENERAL017 error, you can take the following steps:
  
  
  Check Package Specification:
  
  Review the package you are trying to use and ensure it matches the expected package indicated by the error message (the &1 placeholder).
  If you are unsure about the correct package, consult the documentation or the project settings.
  
  
  
  Review Migration Settings:
  
  Go through the configuration settings of your data migration project to ensure everything is set up correctly.
  Make sure that the source and target systems are properly configured.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the Data Migration Cockpit to understand the requirements and limitations regarding package specifications.
  
  
  
  Check User Permissions:
  
  Ensure that the user executing the migration has the necessary authorizations to access the specified package.
  
  
  
  Update or Patch:
  
  If you suspect a version mismatch, check for any updates or patches for the Data Migration Cockpit or the SAP system you are using.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. Provide them with the error details and any relevant logs.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  Documentation: Review the official SAP Help Portal for detailed guides on using the Data Migration Cockpit and handling common errors.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.