How To Fix IPPECIF187 - Assignment between alternative/line balance and node is incorrect

IPPECIF187 - Overview

• Message type: E = Error

• Message class: IPPECIF - Messages for APO CIP Interfaces in iPPE

• Message number: 187

• Message text: Assignment between alternative/line balance and node is incorrect

What causes this issue?

You can make various assignments to a node. This includes assignments
between a node and an activity,
between an alternative and a factory layout node,
between a line balance and a line node.

System Response

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

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

IPPECIF187 - Details

• The SAP error message IPPECIF187, which states "Assignment between alternative/line balance and node is incorrect," typically occurs in the context of production planning and control, particularly when dealing with alternative resources or line balancing in SAP's Integrated Planning (IP) module.
  
  Cause:
  This error can arise due to several reasons, including:
  
  
  Incorrect Configuration: The configuration of the alternative resources or line balances may not be set up correctly in the system. This could involve incorrect assignments of resources to nodes or incorrect definitions of the alternatives.
  
  
  Data Inconsistencies: There may be inconsistencies in the master data related to the resources, such as missing or incorrect entries in the resource master data or the planning hierarchy.
  
  
  Hierarchy Issues: The node structure in the planning hierarchy may not align properly with the defined alternatives or line balances, leading to mismatches.
  
  
  Planning Version Issues: If you are working with different planning versions, there may be discrepancies between the versions that