How To Fix /SAPAPO/CIF_ERRHDLG012 - System &1 is not indicated as an R/3 system

/SAPAPO/CIF_ERRHDLG012 - Overview

• Message type: E = Error

• Message class: /SAPAPO/CIF_ERRHDLG -

• Message number: 012

• Message text: System &1 is not indicated as an R/3 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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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/CIF_ERRHDLG012 - System &1 is not indicated as an R/3 system ?

  The SAP error message /SAPAPO/CIF_ERRHDLG012 System &1 is not indicated as an R/3 system typically occurs in the context of the Core Interface (CIF) when integrating SAP Advanced Planning and Optimization (APO) with an SAP ERP system. This error indicates that the system specified (denoted by &1) is not recognized as a valid R/3 system in the CIF configuration.
  
  Cause:
  
  System Configuration: The system in question has not been properly configured as an R/3 system in the CIF settings.
  CIF Settings: The system may not be included in the list of connected systems in the CIF configuration.
  RFC Connection Issues: There may be issues with the Remote Function Call (RFC) connection between the APO and the R/3 system.
  Authorization Issues: The user may not have the necessary authorizations to access the R/3 system.
  
  
  Solution:
  
  
  Check CIF Configuration:
  
  Go to transaction CIF in the SAP GUI.
  Navigate to the settings for the connected systems and ensure that the system in