How To Fix /MVA/AMW_CHGVEC_MSG015 - An existing contract can only be used once (contract no.: &1)

/MVA/AMW_CHGVEC_MSG015 - Overview

• Message type: E = Error

• Message class: /MVA/AMW_CHGVEC_MSG -

• Message number: 015

• Message text: An existing contract can only be used once (contract no.: &1)

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /MVA/AMW_CHGVEC_MSG015 - An existing contract can only be used once (contract no.: &1) ?

  The SAP error message /MVA/AMW_CHGVEC_MSG015 indicates that there is an attempt to use an existing contract more than once in a transaction where it is only allowed to be used once. This typically occurs in the context of contract management or when processing transactions related to contracts in SAP.
  
  Cause:
  
  Duplicate Usage: The primary cause of this error is that the contract number specified (indicated by &1 in the error message) has already been used in the current transaction or context. SAP restricts the use of a contract to ensure data integrity and prevent conflicts.
  Incorrect Transaction Logic: The logic in the transaction might be incorrectly set up to allow multiple entries of the same contract.
  
  Configuration Issues: There may be configuration settings in the SAP system that enforce this restriction, which could be set up by the system administrator.
  
  
  Solution:
  
  Check Contract Usage: Review the transaction or process you are attempting to execute and ensure