How To Fix B1439 - Cross-system checking is active.

SAP Error Message - Details

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 439

• Message text: Cross-system checking is active.

What causes this issue?

A consistency check will be carried out across all systems.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message B1439 - Cross-system checking is active. ?

  The SAP error message B1439, which states "Cross-system checking is active," typically occurs in scenarios where there is an attempt to perform an action that is restricted due to cross-system checks being enabled. This is often related to the use of the SAP system landscape, where multiple systems (like Development, Quality Assurance, and Production) are involved.
  Cause:
  The error is usually triggered when:
  
  Cross-System Checks: The system is configured to perform cross-system checks, which means that certain actions (like transport requests, changes, or data transfers) are restricted to ensure data integrity and consistency across different systems.
  Transport Management: If you are trying to transport objects or changes from one system to another, and the system settings do not allow it due to cross-system checking.
  Configuration Settings: The settings in the Transport Management System (TMS) or other related configurations may be set to enforce strict checks.
  
  Solution:
  To resolve the B1439 error, you can consider the following steps:
  
  
  Check Configuration: Review the configuration settings in the Transport Management System (TMS) to see if cross-system checks are indeed enabled. You can do this by:
  
  Going to the TMS configuration (transaction code STMS).
  Checking the transport routes and settings to see if cross-system checks are enforced.
  
  
  
  Disable Cross-System Checking: If appropriate for your environment, you may consider disabling cross-system checking. This should be done with caution and typically requires administrative privileges:
  
  Navigate to the TMS configuration.
  Look for the option to disable cross-system checks and adjust the settings accordingly.
  
  
  
  Consult Documentation: Refer to SAP documentation or notes related to transport management and cross-system checks for specific guidance on your version of SAP.
  
  
  Contact SAP Support: If you are unsure about making changes or if the issue persists, it may be beneficial to contact SAP support for assistance. They can provide guidance based on your specific system configuration and requirements.
  
  
  Review User Authorizations: Ensure that the user attempting the action has the necessary authorizations to perform the task across systems.
  
  
  Related Information:
  
  Transport Management System (TMS): Understanding how TMS works and its configuration is crucial for managing transports and cross-system checks.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  System Landscape: Familiarize yourself with your SAP system landscape (Development, Quality, Production) and how changes are managed across these environments.
  
  Always ensure that any changes made to system configurations are tested in a non-production environment first to avoid unintended consequences.