How To Fix FDM_MIRROR301 - You are not allowed to post manually in the substitute system

FDM_MIRROR301 - Overview

• Message type: E = Error

• Message class: FDM_MIRROR - Mirror System Messages

• Message number: 301

• Message text: You are not allowed to post manually in the substitute system

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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FDM_MIRROR301 - Details

• The SAP error message FDM_MIRROR301 indicates that a user is attempting to post manually in a substitute system, which is not permitted. This error typically arises in the context of financial document management or when dealing with systems that have a mirrored or substitute setup, often used in scenarios like data replication or system integration.
  
  Cause:
  
  User Authorization: The user does not have the necessary authorizations to perform manual postings in the substitute system.
  System Configuration: The substitute system is configured to prevent manual postings to ensure data integrity and consistency.
  Business Process Rules: There may be business rules in place that restrict manual postings to maintain a controlled environment.
  
  
  Solution:
  
  
  Check User Authorizations:
  
  Ensure that the user has the appropriate roles and authorizations to perform postings in the substitute system. This can be done by reviewing the user's profile in the SAP authorization management (transaction code SU01).
  
  
  
  Review System Configuration:
  
  Consult with your SAP Basis or system administrator