How To Fix M2831 - The hierarchy is incorrect

M2831 - Overview

• Message type: E = Error

• Message class: M2 - LIS: Generating and updating info structures

• Message number: 831

• Message text: The hierarchy is incorrect

What causes this issue?

There are characteristic values which have additional nodes or
characteristic values attached to them. This is not allowed because in
reporting the analyses cannot interpret these characteristic values as
such.

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?

Please change your hierarchy so that no additional entries are attached
to the characteristic values.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M2831 - The hierarchy is incorrect ?

  The SAP error message M2831, "The hierarchy is incorrect," typically occurs in the context of Material Management (MM) or Production Planning (PP) modules when there is an issue with the structure of a hierarchy, such as a bill of materials (BOM) or a routing. This error indicates that the system has detected an inconsistency or an invalid configuration in the hierarchical data.
  Causes:
  
  Incorrect BOM Structure: The BOM may have been created with incorrect parent-child relationships, such as a component being assigned to multiple parents or a component not being assigned correctly.
  Routing Issues: Similar to BOMs, routing may have incorrect sequences or missing operations that disrupt the hierarchy.
  Missing Master Data: Required master data (like materials or work centers) may be missing or incorrectly configured.
  Data Inconsistencies: There may be inconsistencies in the data due to manual entries, data migrations, or system upgrades.
  Versioning Issues: If multiple versions of a BOM or routing exist, the