How To Fix PK521 - Status change not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: PK - Production - KANBAN

• Message number: 521

• Message text: Status change not allowed

What causes this issue?

The following changes to the lifecycle status are allowed:
From 'In Preparation' to 'Ready for Release' or 'Released'
From 'Ready for Release' to 'Released' or 'Locked'
From 'Released' to 'Ready for Release' (only if all kanban containers
are locked) or 'Locked'
From 'Locked' to 'Ready for Release' (only if all kanban containers are
locked) or 'Released'

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?

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 PK521 - Status change not allowed ?

  The SAP error message PK521, which states "Status change not allowed," typically occurs in the context of production planning and control, particularly when dealing with production orders, process orders, or similar objects. This error indicates that the system is preventing a status change for a particular order due to certain conditions not being met.
  Causes of PK521 Error
  
  
  Order Status Restrictions: The order may be in a status that does not allow for the requested change. For example, if an order is already completed or closed, it cannot be set to a status that implies further processing.
  
  
  Dependencies on Other Objects: The order may have dependencies on other objects (like dependent orders or materials) that are not in a suitable status for the change.
  
  
  User Authorizations: The user attempting to change the status may not have the necessary authorizations to perform that action.
  
  
  Configuration Settings: The system configuration may restrict certain status changes based on business rules or settings defined in the system.
  
  
  Incomplete Data: Required fields or data may be missing, preventing the status change.
  
  
  Solutions to PK521 Error
  
  
  Check Current Status: Review the current status of the order to determine if it is eligible for the requested status change. You can do this by navigating to the order in question and checking its status.
  
  
  Review Dependencies: Ensure that all dependent objects (like materials, components, or related orders) are in the correct status to allow for the change.
  
  
  User Authorizations: Verify that the user has the necessary permissions to change the status of the order. If not, contact your SAP security administrator to request the appropriate authorizations.
  
  
  Consult Configuration Settings: If you have access to configuration settings, check if there are any rules or settings that prevent the status change. This may require assistance from an SAP consultant or system administrator.
  
  
  Complete Required Data: Ensure that all required fields and data are filled out correctly before attempting to change the status.
  
  
  Use Transaction Codes: Utilize relevant transaction codes (like CO02 for changing production orders) to navigate and check the order details.
  
  
  Related Information
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the PK521 error. SAP frequently updates its knowledge base with solutions for common errors.
  
  
  Documentation: Refer to SAP documentation for production order management to understand the status flow and restrictions better.
  
  
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  
  If the issue persists after trying the above solutions, it may be beneficial to involve your SAP support team or a consultant for further investigation.