How To Fix /SAPAPO/OM_ERROR311 - INC_FLAG may only be entered for input nodes

/SAPAPO/OM_ERROR311 - Overview

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR -

• Message number: 311

• Message text: INC_FLAG may only be entered for input nodes

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_ERROR311 - INC_FLAG may only be entered for input nodes ?

  The SAP error message /SAPAPO/OM_ERROR311 INC_FLAG may only be entered for input nodes typically occurs in the context of SAP Advanced Planning and Optimization (APO), particularly when working with the Order Management (OM) module. This error indicates that the "INC_FLAG" (Inclusion Flag) is being incorrectly set for a node that is not designated as an input node in the planning hierarchy.
  
  Cause:
  
  Incorrect Node Type: The error arises when the system detects that the INC_FLAG is being applied to a node that is not classified as an input node. Input nodes are those that can receive or process incoming data, while other node types (like output nodes) do not accept this flag.
  
  Configuration Issues: There may be a misconfiguration in the planning hierarchy or the way nodes are defined in the system.
  Data Entry Error: The user may have mistakenly entered the INC_FLAG for a node that should not have it.
  
  
  Solution:
  
  Check Node Type: Verify