How To Fix CPWB170 - Only locked operations can be classified

SAP Error Message - Details

• Message type: E = Error

• Message class: CPWB - General Workbench Messages

• Message number: 170

• Message text: Only locked operations can be classified

What causes this issue?

You want to change an operation, but have not yet locked it.

System Response

The system does not allow you to goto operation classification.

How to fix this error?

First lock the operation.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CPWB170 - Only locked operations can be classified ?

  The SAP error message CPWB170 ("Only locked operations can be classified") typically occurs in the context of production planning and control, particularly when working with operations in a production order or a process order. This error indicates that the system is trying to classify an operation that is not currently locked, which is a requirement for the classification process.
  Cause:
  
  Operation Status: The operation you are trying to classify is not in a locked status. In SAP, operations must be locked to ensure that no changes are made while they are being classified.
  User Permissions: The user may not have the necessary permissions to lock the operation or to perform the classification.
  System Configuration: There may be configuration settings in the system that affect how operations are locked and classified.
  
  Solution:
  
  Lock the Operation: Ensure that the operation you are trying to classify is locked. You can do this by navigating to the relevant transaction (e.g., CO02 for production orders) and manually locking the operation.
  Check User Permissions: Verify that the user has the necessary authorizations to lock operations and perform classifications. This may require coordination with your SAP security team.
  Review Configuration: If the issue persists, review the configuration settings related to operation locking and classification in the SAP system. This may involve checking the settings in the Production Planning (PP) module.
  Use the Correct Transaction: Make sure you are using the correct transaction code for the classification process. Sometimes, using the wrong transaction can lead to unexpected errors.
  Consult Documentation: Refer to SAP documentation or help resources for more detailed information on the classification process and the requirements for locking operations.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CO02 (Change Production Order), CO03 (Display Production Order), and others related to production planning.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional insights or patches that address the issue.
  Support Forums: Consider visiting SAP community forums or support channels where similar issues may have been discussed, and solutions shared.
  
  If the problem continues after trying these solutions, it may be beneficial to reach out to your SAP support team for further assistance.