How To Fix /SCMB/SCU020 - Saving is not possible; maintain the hierarchy completely

/SCMB/SCU020 - Overview

• Message type: E = Error

• Message class: /SCMB/SCU -

• Message number: 020

• Message text: Saving is not possible; maintain the hierarchy completely

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 /SCMB/SCU020 - Saving is not possible; maintain the hierarchy completely ?

  The SAP error message /SCMB/SCU020 Saving is not possible; maintain the hierarchy completely typically occurs in the context of SAP Supply Chain Management (SCM) when there is an issue with the hierarchy structure that needs to be maintained before saving changes. This error indicates that the system requires a complete and valid hierarchy setup before allowing any save operations.
  
  Cause:
  
  Incomplete Hierarchy: The hierarchy structure (such as product hierarchy, location hierarchy, etc.) is not fully defined. This could mean that some nodes or levels in the hierarchy are missing or not properly linked.
  Missing Data: Certain required fields or attributes in the hierarchy nodes may not be filled out, leading to an incomplete structure.
  Validation Rules: The system may have specific validation rules that require certain conditions to be met before saving, which are not currently satisfied.
  
  
  Solution:
  
  Review Hierarchy Structure: Go to the relevant transaction or application where the hierarchy is maintained and check if