How To Fix 40021 - Changed resource for operation &1 copied to its phases

SAP Error Message - Details

• Message type: E = Error

• Message class: 40 - Messages for Process Orders

• Message number: 021

• Message text: Changed resource for operation &1 copied to its phases

What causes this issue?

You have changed the resource or the plant for an operation. These
changes are copied to the phases of this operation.

System Response

Depending on the system settings, the system will branch to the phase
entry function.

How to fix this error?

Please check the standard values in this function.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 40021 - Changed resource for operation &1 copied to its phases ?

  The SAP error message 40021, which states "Changed resource for operation &1 copied to its phases," typically occurs in the context of production planning and control (PP) or project system (PS) modules. This message indicates that a resource assigned to a particular operation has been changed, and this change has been propagated to the phases of that operation.
  Cause:
  The error is usually triggered by one of the following scenarios:
  
  Resource Change: A resource (e.g., machine, labor) assigned to an operation has been modified, and the system is notifying you that this change has been applied to all associated phases of that operation.
  Data Consistency: The system is ensuring that the data remains consistent across the operation and its phases. If a resource is changed, it needs to be reflected in all related components to avoid discrepancies.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  Review Changes: Check the changes made to the resource assigned to the operation. Ensure that the changes are intentional and correct.
  Check Operation and Phases: Navigate to the operation in question and review its phases. Ensure that the resource assignment is appropriate for each phase.
  Reassign Resources: If the change was not intended, you may need to revert the resource assignment to its original state or reassign the correct resource.
  Consistency Check: Perform a consistency check in the system to ensure that all related data is synchronized and there are no conflicts.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to your version of SAP and the context in which the error occurred.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like CO02 (Change Production Order) or CJ20N (Project Builder) to access and modify the operations and resources.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Authorization: Ensure that you have the necessary authorizations to make changes to resources and operations in the system.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in the relevant module.