How To Fix MO421 - The system settings do not allow any changes

MO421 - Overview

• Message type: E = Error

• Message class: MO - Modeling and Prototyping

• Message number: 421

• Message text: The system settings do not allow any changes

What causes this issue?

The system settings (SE06 and SCC4) are such that you cannot make any
changes to this table in this client.

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

System Response

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

MO421 - Details

• The SAP error message MO421 ("The system settings do not allow any changes") typically occurs in the context of production orders or material movements when the system settings restrict modifications to certain data. This can happen for various reasons, including configuration settings, status of the order, or user authorizations.
  Causes:
  
  Order Status: The production order may be in a status that does not allow changes (e.g., "TECO" - Technically Completed).
  System Configuration: The configuration settings in the system may restrict changes to certain fields or data after a specific point in the process.
  User Authorizations: The user may not have the necessary authorizations to make changes to the order or material.
  Document Type Restrictions: Certain document types may have restrictions on changes based on business rules or settings in the system.
  
  Solutions:
  
  Check Order Status: Verify the status of the production order. If it is in a status that does not allow changes (like TECO), you may