How To Fix BOS01120 - Basic line missing for alternative line (data record &1 in services)

SAP Error Message - Details

• Message type: E = Error

• Message class: BOS01 - Customer BOS Processing

• Message number: 120

• Message text: Basic line missing for alternative line (data record &1 in services)

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 BOS01120 - Basic line missing for alternative line (data record &1 in services) ?

  The SAP error message BOS01120 indicates that there is a missing basic line for an alternative line in a service record. This typically occurs in the context of service management or service order processing within SAP.
  Cause:
  The error arises when the system expects a basic line (the primary service line) to be present for an alternative line (a variant or alternative service) but cannot find it. This can happen due to several reasons, such as:
  
  Data Entry Errors: The basic line may not have been created or saved properly before the alternative line was added.
  Configuration Issues: There may be issues with the configuration of service items in the system.
  Missing Relationships: The relationship between the basic line and the alternative line may not have been established correctly.
  Inconsistent Data: There may be inconsistencies in the data records that prevent the system from recognizing the relationship.
  
  Solution:
  To resolve the BOS01120 error, you can take the following steps:
  
  
  Check Basic Line Existence:
  
  Verify that the basic line for the alternative line exists in the service record. If it does not, you will need to create it.
  
  
  
  Review Service Order:
  
  Go to the service order or service record in question and check the details. Ensure that the basic line is correctly defined and saved.
  
  
  
  Correct Data Entry:
  
  If you find that the basic line was not entered correctly, make the necessary corrections and save the record.
  
  
  
  Check Configuration:
  
  Review the configuration settings for service management in your SAP system. Ensure that the settings allow for the creation of alternative lines linked to basic lines.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on service management and the handling of basic and alternative lines.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like IW31 (Create Order), IW32 (Change Order), or IW33 (Display Order) to manage service orders.
  SAP Notes: Check for any relevant SAP Notes that might address known issues related to this error message.
  User Exits and Enhancements: If your organization has custom enhancements, ensure that they are not interfering with the standard processing of service records.
  
  By following these steps, you should be able to identify and resolve the issue causing the BOS01120 error in your SAP system.