How To Fix PSB_API_MSGCL105 - Object assignments changed in the project or network

SAP Error Message - Details

• Message type: E = Error

• Message class: PSB_API_MSGCL -

• Message number: 105

• Message text: Object assignments changed in the project or network

What causes this issue?

The system displays this error in one of the following situations:
You try to save a draft to an operative project or network in which
another user has changed object assignments
Using the shared mode, you try to save a project or a network in which
another user has changed object assignments
<ZH>Note </>
The shared mode is only available if you have deactivated the default
Business Add-In (BAdI) implementation <NP>BADI_IMPL_PS_SHARED_MODE</>.
For more information, see Customizing for <LS>Project System</> under
<LS>Handling Large Projects </>-> <LS>Business Add-Ins </>-> <LS>Make
Settings for Project Editor</>.

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

System Response

The system does not allow you to save changes, and displays a message
that object assignments have been changed in the project or network.

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 PSB_API_MSGCL105 - Object assignments changed in the project or network ?

  The SAP error message PSB_API_MSGCL105 indicates that there have been changes to object assignments in a project or network. This typically occurs in the context of project management within SAP, particularly when dealing with Project System (PS) or related modules.
  Cause:
  The error can arise due to several reasons, including:
  
  Concurrent Changes: If multiple users are trying to modify the same project or network simultaneously, one user's changes may conflict with another's.
  Data Inconsistency: Changes made to the project or network structure (like adding or removing components, changing assignments) may not have been properly synchronized or saved.
  Locking Issues: The project or network might be locked by another user or process, preventing updates.
  System Updates: If there are ongoing system updates or background jobs that affect the project or network, it may lead to this error.
  
  Solution:
  To resolve the PSB_API_MSGCL105 error, you can take the following steps:
  
  Refresh the Data: If you suspect that the data has changed due to another user's actions, refresh your view or re-open the project/network to get the latest data.
  Check for Locks: Use transaction codes like SM12 to check for any locks on the project or network. If you find locks that are no longer needed, you can release them (ensure you have the necessary authorizations).
  Review Changes: If you have access, review the change logs or history of the project/network to understand what changes were made and by whom.
  Retry the Operation: After ensuring that there are no locks and that you have the latest data, try to perform the operation again.
  Consult with Team Members: If you are working in a team, communicate with your colleagues to ensure that no one else is making conflicting changes.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N (Project Builder), CJ02 (Change Project), and CJ03 (Display Project) to manage projects effectively.
  User Authorizations: Ensure that you have the necessary authorizations to make changes to the project or network.
  Documentation: Review SAP documentation or help files related to Project System for more detailed information on managing projects and handling errors.
  
  By following these steps, you should be able to address the PSB_API_MSGCL105 error effectively.