How To Fix MB_CROSS_SYSTEM004 - Postings with automatic lines are not possible

MB_CROSS_SYSTEM004 - Overview

• Message type: E = Error

• Message class: MB_CROSS_SYSTEM - Messages on cross-system goods flow

• Message number: 004

• Message text: Postings with automatic lines are not possible

What causes this issue?

The posting to be executed contains automatically created document
items.
Examples of automatically created items are
One-step transfer postings
Subcontracting components
Full products and empties
Generic articles and variants
Structured articles

System Response

This transaction is not supported in scenario "Cross-System Flow of
Goods".

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.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

MB_CROSS_SYSTEM004 - Details

• The SAP error message MB_CROSS_SYSTEM004 indicates that there is an issue with posting transactions that involve automatic accounting entries across different systems. This typically occurs in scenarios where you are trying to post a document that requires automatic accounting entries to be generated, but the system detects that these entries would involve different systems (e.g., different company codes or different SAP systems).
  
  Cause:
  
  Cross-System Posting: The error usually arises when you attempt to post a document that involves automatic postings (like inventory movements) that span across different systems or company codes that are not configured to allow such transactions.
  
  Configuration Issues: There may be configuration settings in the SAP system that prevent cross-system postings, such as settings in the document types, company codes, or controlling areas.
  Inconsistent Master Data: If the master data (like material master, vendor master, etc.) is not consistent across the systems, it can lead to this error.
  Missing Authorizations: Sometimes, the