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

B1439 - Overview

• 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.

B1439 - Details

• 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