How To Fix MD134 - Multi-level replacements are not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: MD - Material Requirements Planning (MRP)

• Message number: 134

• Message text: Multi-level replacements are not possible

What causes this issue?

You specified that version &V1& is to replace version &V2&. On the
other hand, version &V2& is to replace version &V3&.

System Response

Multi-level replacement is not possible: one version that is to replace
another version cannot then be replaced itself by a third version.

How to fix this error?

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MD134 - Multi-level replacements are not possible ?

  The SAP error message MD134 ("Multi-level replacements are not possible") typically occurs in the context of Material Requirements Planning (MRP) when there is an attempt to perform a multi-level substitution for materials that is not allowed. This can happen in scenarios where the system is trying to substitute a component in a bill of materials (BOM) but encounters a situation where the substitution cannot be resolved due to the structure of the BOM or the configuration of the materials involved.
  Cause:
  
  BOM Structure: The error may arise if the BOM structure is not set up correctly, or if there are circular dependencies in the BOM that prevent multi-level substitutions.
  Material Configuration: The materials involved may not be configured to allow for substitutions at multiple levels.
  Substitution Settings: The settings for material substitution in the system may not be properly defined, leading to restrictions on multi-level replacements.
  Planning Parameters: The planning parameters for the materials may not support multi-level substitutions.
  
  Solution:
  
  Check BOM Structure: Review the BOM for the materials involved to ensure that there are no circular references or incorrect configurations. Make sure that the BOM is structured correctly for multi-level planning.
  Review Material Master Data: Check the material master records for the materials involved in the substitution. Ensure that the substitution settings are correctly defined and that the materials are set up to allow for substitutions.
  Adjust Substitution Settings: If necessary, adjust the substitution settings in the material master or in the configuration settings for the MRP process to allow for multi-level substitutions.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on how to configure multi-level substitutions and resolve related issues.
  Test in a Development Environment: If changes are made, test the configuration in a development or test environment before applying it to the production system to ensure that the issue is resolved without introducing new problems.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on resolving it.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CS01 (Create BOM), CS02 (Change BOM), and CS03 (Display BOM) to manage BOMs effectively.
  MRP Configuration: Review the MRP configuration settings in the system to ensure that they align with your business processes and requirements.
  User Forums and Communities: Engage with SAP user communities or forums where similar issues may have been discussed, and solutions shared.
  
  If the issue persists after following these steps, it may be beneficial to consult with an SAP expert or your organization's SAP support team for further assistance.