CJ154 - There are still activities in the buffer

SAP Error Message - Details

• Message type: E = Error

• Message class: CJ - Project master data and structure

• Message number: 154

• Message text: There are still activities in the buffer

What causes this issue?

You have copied or cut activities which are still in the buffer.

How to fix this error?

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

Position the activities at the proper location
<ZH>or</>
Undo the action.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CJ154 - There are still activities in the buffer ?

  The SAP error message CJ154 ("There are still activities in the buffer") typically occurs in the context of project management and controlling within SAP, particularly when dealing with project structures and their associated activities. This error indicates that there are still activities that have not been processed or released from the buffer, which can prevent certain operations from being completed.
  Cause:
  
  Unreleased Activities: The most common cause of this error is that there are activities in the project that have not been released or finalized. This can happen if changes were made to the project structure or activities, and those changes have not been saved or released.
  Buffer Issues: The system may have activities that are still in a temporary state (buffer) and have not been fully processed or updated in the database.
  Locking Issues: Sometimes, if multiple users are trying to access or modify the same project or activities, it can lead to locking issues that prevent the release of activities from the buffer.
  
  Solution:
  
  Release Activities: Check the project and ensure that all activities are released. You can do this by navigating to the project in the Project System (PS) module and checking the status of each activity.
  Process Buffer: If there are activities in the buffer, you may need to process or refresh the buffer. This can often be done by executing a transaction that processes the buffer, such as CJ20N (Project Builder) or CJ02 (Change Project).
  Check for Locks: Use transaction SM12 to check for any locks on the project or activities. If there are locks, you may need to wait for them to be released or contact the user who has locked the object.
  Consistency Check: Run a consistency check on the project using transaction CJ_CHECK to identify any inconsistencies that may be causing the issue.
  Re-try the Operation: After ensuring that all activities are released and there are no locks, try to perform the operation again that triggered the error.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N, CJ02, CJ_CHECK, and SM12 for managing projects and checking locks.
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message, as there may be known issues or fixes provided by SAP.
  Documentation: Review SAP documentation on Project System (PS) for best practices in managing project activities and understanding the buffer concept.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or technical team for further investigation, as there may be underlying system issues that need to be addressed.