How To Fix KI171 - Cost center &1/&2 is locked for revenue postings at this time

SAP Error Message - Details

• Message type: E = Error

• Message class: KI -

• Message number: 171

• Message text: Cost center &1/&2 is locked for revenue postings at this time

What causes this issue?

Cost center &V2&, controlling area &V1& is locked on &V3& for revenue
postings.

System Response

The lock must be removed from this cost center at latest for the posting
that leads to the update of actual costs in CO (for example, for
customer orders and external orders, this would be receipt of goods or
invoices; for settlement rules, it would be the settlement). Therefore,
the system issues a message with a variable message type.

How to fix this error?

If the message is a warning, remove the cause for the message, at the
latest before the posting of actual cost updating.
If the message is an error:
Remove the lock against revenue postings in the master data record
Assign another cost center account
Assign another CO account assignment object
This message is sent as a warning in the standard system. You can make
the message an error message by changing the message type in
Customizing. Use the Implementation Guide under "Controlling: General"
and choose <DS:SIMG.SIMG_CFMENUORK3OBA5>Change message control</>. Enter
area KI and message number 171.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KI171 - Cost center &1/&2 is locked for revenue postings at this time ?

  The SAP error message KI171 indicates that a specific cost center is locked for revenue postings. This typically occurs when the cost center is in a status that prevents any further postings, which can be due to various reasons such as the cost center being closed for a particular period, being locked for maintenance, or being part of a project that is not currently active.
  Causes of Error KI171
  
  
  Period Closure: The cost center may be closed for the current posting period. This is common at the end of a fiscal period when no further postings are allowed.
  
  
  Cost Center Locking: The cost center may be locked for maintenance or other administrative reasons. This can happen if the cost center is undergoing changes or if it has been marked as inactive.
  
  
  Project Status: If the cost center is associated with a project that is not currently active or has been completed, it may be locked for further postings.
  
  
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to post to the cost center, leading to a perceived lock.
  
  
  Solutions to Error KI171
  
  
  Check Period Status: Verify if the posting period is open for the cost center. You can do this by checking the period status in the controlling module (CO). If the period is closed, you may need to open it or wait until it is opened for postings.
  
  
  Unlock Cost Center: If the cost center is locked for maintenance, you may need to unlock it. This typically requires administrative access. Consult with your SAP administrator or the person responsible for cost center management.
  
  
  Review Project Status: If the cost center is linked to a project, check the status of the project. If the project is completed or inactive, you may need to reactivate it or create a new cost center for ongoing activities.
  
  
  Authorization Check: Ensure that you have the necessary authorizations to post to the cost center. If not, contact your SAP security team to review and adjust your access rights.
  
  
  Consult Documentation: Review any internal documentation or guidelines regarding cost center management and postings to ensure compliance with your organization’s policies.
  
  
  Related Information
  
  
  Transaction Codes: You may use transaction codes like KS03 (Display Cost Center) or KSH1 (Create Cost Center) to check the status and details of the cost center.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  
  
  User Forums: Consider visiting SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  
  By following these steps, you should be able to identify the cause of the KI171 error and take appropriate action to resolve it.