How To Fix M5163 - Hierarchy contains multiple allocations

SAP Error Message - Details

• Message type: E = Error

• Message class: M5 - LIS: Standard Analyses (Inventory Controlling Doc. Analysis)

• Message number: 163

• Message text: Hierarchy contains multiple allocations

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 M5163 - Hierarchy contains multiple allocations ?

  The SAP error message M5163, which states "Hierarchy contains multiple allocations," typically occurs in the context of Material Management (MM) or Production Planning (PP) when dealing with hierarchical structures, such as BOMs (Bill of Materials) or other allocation structures.
  Cause:
  This error usually arises when there are multiple allocations or assignments for a single node in a hierarchy. For example, if you have a BOM that references the same component multiple times in different places, or if there are conflicting allocations in a planning hierarchy, SAP cannot determine which allocation to use, leading to this error.
  Solution:
  To resolve the M5163 error, you can take the following steps:
  
  
  Check Hierarchy Structure:
  
  Review the hierarchy structure in question (e.g., BOM, routing, or planning hierarchy) to identify where multiple allocations are occurring.
  Ensure that each node in the hierarchy has a unique allocation.
  
  
  
  Remove Duplicates:
  
  If you find duplicate allocations, remove or consolidate them to ensure that each component or node is only allocated once in the hierarchy.
  
  
  
  Use Transaction Codes:
  
  Use transaction codes like CS03 (Display BOM) or CS02 (Change BOM) to inspect the BOM structure and allocations.
  For routing, you can use CA03 (Display Routing) or CA02 (Change Routing).
  
  
  
  Check for Inconsistencies:
  
  Run consistency checks for the BOM or routing to identify any inconsistencies that may lead to this error.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to the specific module you are working with for additional guidance on hierarchy management.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists and you cannot identify the cause, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for managing BOMs and routings.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide specific fixes or patches.
  Training: Consider training sessions or resources on SAP MM or PP to better understand hierarchy management and allocation processes.
  
  By following these steps, you should be able to identify and resolve the cause of the M5163 error in SAP.