How To Fix /PLMI/RFO_SP018 - More than one of item &1 of &2 &3 is marked as "Alternative Used"

/PLMI/RFO_SP018 - Overview

• Message type: E = Error

• Message class: /PLMI/RFO_SP -

• Message number: 018

• Message text: More than one of item &1 of &2 &3 is marked as "Alternative Used"

Self-Explanatory Message

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/PLMI/RFO_SP018 - Details

• The SAP error message /PLMI/RFO_SP018 indicates that there is a conflict in the configuration of alternative items in a bill of materials (BOM) or a similar structure. Specifically, it means that more than one item has been marked as "Alternative Used" for a particular item in the context of a specific configuration or production order.
  
  Cause:
  
  Multiple Alternatives: The system has detected that multiple items are marked as alternatives for the same base item, which is not allowed. This can happen if the configuration of the BOM or the item master data has not been set up correctly.
  Data Entry Error: During the creation or modification of the BOM or item master, multiple alternatives may have been incorrectly flagged.
  
  Configuration Issues: There may be issues with how the alternatives are defined in the system, leading to ambiguity in which alternative should be used.
  
  
  Solution:
  
  
  Review BOM/Item Configuration:
  
  Go to the BOM or item master data where the