How To Fix /SAPAPO/RRP856 - Unit &1 not yet maintained in APO

/SAPAPO/RRP856 - Overview

• Message type: E = Error

• Message class: /SAPAPO/RRP -

• Message number: 856

• Message text: Unit &1 not yet maintained in APO

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/RRP856 - Unit &1 not yet maintained in APO ?

  The SAP error message /SAPAPO/RRP856 Unit &1 not yet maintained in APO typically occurs in the Advanced Planning and Optimization (APO) module of SAP when a unit of measure (UoM) that is being referenced in a planning scenario has not been defined or maintained in the APO system.
  
  Cause:
  
  Missing Unit of Measure: The specific unit of measure (UoM) referenced in the error message has not been set up in the APO system.
  Data Transfer Issues: If data is being transferred from SAP ERP to APO, there may be issues with the data transfer that prevent the UoM from being recognized in APO.
  
  Configuration Issues: The configuration settings in APO may not include the necessary UoM for the relevant planning object.
  
  
  Solution:
  
  
  Maintain the Unit of Measure in APO:
  
  Go to the transaction code /SAPAPO/OM (or use the relevant menu path) to maintain the unit of measure.
  Ensure that the UoM is defined in the APO system. You