How To Fix CO_MES_INT027 - Confirmation &1 from MES already successfully posted

CO_MES_INT027 - Overview

• Message type: E = Error

• Message class: CO_MES_INT - Integration with Manufacturing Execution Systems

• Message number: 027

• Message text: Confirmation &1 from MES already successfully posted

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CO_MES_INT027 - Confirmation &1 from MES already successfully posted ?

  The SAP error message CO_MES_INT027, which states "Confirmation &1 from MES already successfully posted," typically occurs in the context of Manufacturing Execution Systems (MES) integration with SAP. This error indicates that a confirmation for a particular operation or production order has already been processed and recorded in the system, and therefore, a duplicate posting is not allowed.
  
  Cause:
  
  Duplicate Confirmation: The most common cause of this error is that the MES system has sent a confirmation for the same operation or production order more than once.
  Timing Issues: There may be timing issues where the MES sends a confirmation before the previous one has been fully processed in SAP.
  System Configuration: Incorrect configuration in the integration settings between SAP and the MES could lead to this error.
  Network Issues: Temporary network issues might cause the MES to resend the confirmation if it does not receive an acknowledgment from SAP.
  
  
  Solution:
  
  Check for Duplicates: Verify if the confirmation