How To Fix ARUN_MAIN050 - Components are already assigned and will be unassigned when you save

SAP Error Message - Details

• Message type: E = Error

• Message class: ARUN_MAIN -

• Message number: 050

• Message text: Components are already assigned and will be unassigned when you save

What causes this issue?

Components of the subcontracting purchase order item are already
assigned and will be unassigned or updated in the ARUN_BDBS table when
you save the document.

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

System Response

How to fix this error?

Save the document only if you want to update the requirements already
assigned in the ARUN_BDBS table.

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 ARUN_MAIN050 - Components are already assigned and will be unassigned when you save ?

  The SAP error message ARUN_MAIN050 indicates that there are components in your system that are already assigned to a particular object (like a project, order, or another entity) and that these components will be unassigned when you attempt to save your changes. This typically occurs in the context of project management or production planning within SAP.
  Cause:
  
  Duplicate Assignments: The components you are trying to assign are already linked to another object, and the system is preventing you from creating a conflict.
  Configuration Issues: There may be configuration settings that restrict the assignment of components to multiple objects simultaneously.
  Data Integrity: SAP enforces data integrity rules to ensure that components are not assigned in a way that could lead to inconsistencies in reporting or processing.
  
  Solution:
  
  Review Assignments: Check the current assignments of the components you are trying to work with. You can do this by navigating to the relevant transaction or using reports that show component assignments.
  Unassign Components: If the components are assigned to another object that is no longer needed, consider unassigning them from that object before proceeding with your changes.
  Change Component Assignment: If you need to assign the components to a different object, ensure that they are unassigned from the previous object first.
  Consult Documentation: Review SAP documentation or help files related to the specific module you are working in (e.g., Project System, Production Planning) for more detailed guidance on component assignments.
  Check Configuration: If you have access, check the configuration settings in the relevant module to see if there are any restrictions on component assignments that need to be adjusted.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using transaction codes like CJ20N (Project Builder), CO02 (Change Production Order), or others related to your specific use case.
  SAP Notes: Search for SAP Notes related to ARUN_MAIN050 for any specific patches or updates that may address this issue.
  User Roles and Permissions: Ensure that you have the necessary permissions to make changes to component assignments, as restrictions may be in place based on user roles.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in the relevant area of SAP.