How To Fix BOS01143 - Changes to basic line &1 not possible: alternative lines have been assgnd

BOS01143 - Overview

• Message type: E = Error

• Message class: BOS01 - Customer BOS Processing

• Message number: 143

• Message text: Changes to basic line &1 not possible: alternative lines have been assgnd

Self-Explanatory Message

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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 BOS01143 - Changes to basic line &1 not possible: alternative lines have been assgnd ?

  The SAP error message BOS01143 indicates that changes to a basic line in a bill of materials (BOM) are not possible because alternative lines have been assigned to it. This typically occurs in the context of BOM management, where alternative components or lines are defined for a particular item.
  
  Cause:
  The error arises when you attempt to modify a basic line in a BOM that has alternative lines associated with it. The system prevents changes to ensure data integrity and consistency, as altering the basic line could affect the alternative lines and their relationships.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Alternative Lines: Review the BOM to identify the alternative lines associated with the basic line you are trying to change. You can do this by navigating to the BOM in the SAP system and checking the alternative components.
  
  
  Remove or Modify Alternatives: If you need to make changes to the