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

BOS01120 - Overview

• 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.

Unfortunately, there isn't any extra information in this error notice.

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BOS01120 - Details

• 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