How To Fix >A606 - Line item &1/&2/&3 is not a modifiable collective bill

>A606 - Overview

• Message type: E = Error

• Message class: >A -

• Message number: 606

• Message text: Line item &1/&2/&3 is not a modifiable collective bill

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 >A606 - Line item &1/&2/&3 is not a modifiable collective bill ?

  The SAP error message A606 indicates that a specific line item in a collective bill is not modifiable. This typically occurs in the context of billing documents, particularly when dealing with collective billing or billing documents that have already been processed or finalized.
  
  Cause:
  
  Status of the Billing Document: The billing document may be in a status that does not allow modifications. For example, if the document has already been posted to accounting or if it has been marked as completed, it cannot be changed.
  Collective Billing: The line item may belong to a collective bill that has certain restrictions on modifications. Collective bills are often used in scenarios where multiple services or deliveries are grouped together for billing purposes.
  Authorization Issues: The user may not have the necessary authorizations to modify the billing document.
  Document Type Restrictions: Certain document types may have restrictions on modifications based on business rules or configurations.
  
  
  Solution:
  
  Check Document Status: Verify