How To Fix BOS01136 - Chaneg not possible: service line &1 is assigned to a basic line

SAP Error Message - Details

• Message type: E = Error

• Message class: BOS01 - Customer BOS Processing

• Message number: 136

• Message text: Chaneg not possible: service line &1 is assigned to a basic line

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 BOS01136 - Chaneg not possible: service line &1 is assigned to a basic line ?

  The SAP error message BOS01136 indicates that a change is not possible because a service line is assigned to a basic line. This typically occurs in the context of service management or billing processes where service lines are linked to basic lines (such as a main service or product line).
  Cause:
  The error arises when you attempt to modify or delete a service line that is linked to a basic line. This linkage is often enforced by the system to maintain data integrity and ensure that the relationships between service and basic lines are preserved.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Assignment: Verify the assignment of the service line to the basic line. You can do this by navigating to the relevant transaction or document where the error occurred and checking the details of the service line.
  
  
  Remove the Assignment: If you need to change or delete the service line, you may first need to remove its assignment to the basic line. This can usually be done in the document or transaction where the service line is defined.
  
  
  Adjust the Basic Line: If the basic line itself needs to be modified, ensure that any dependent service lines are handled appropriately. You may need to adjust or delete the service lines before making changes to the basic line.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling service and basic line relationships in your version of SAP.
  
  
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert who can provide more tailored assistance based on your system configuration.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that deal with service management, such as IW31 (Create Order), IW32 (Change Order), or IW33 (Display Order).
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address the issue.
  User Roles and Permissions: Ensure that you have the necessary permissions to make changes to service and basic lines, as restrictions may also lead to this error.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.