How To Fix V1606 - Change the assembly type for item & is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: V1 - Verkaufsbelegbearbeitung

• Message number: 606

• Message text: Change the assembly type for item & is not allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message V1606 - Change the assembly type for item & is not allowed ?

  The SAP error message V1606, which states "Change the assembly type for item & is not allowed," typically occurs in the context of sales order processing or when dealing with configurable materials in SAP. This error indicates that there is an attempt to change the assembly type of a material or item in a way that is not permitted by the system.
  Cause:
  
  Assembly Type Restrictions: The assembly type of a material (e.g., configurable, non-configurable) is defined in the material master. Changing the assembly type may violate the rules set in the system regarding how items can be processed.
  Sales Order Status: If the item is part of an existing sales order or delivery, changing the assembly type may not be allowed due to the status of the order.
  Configuration Settings: The configuration settings in the material master or sales order may restrict changes to certain fields once the item is in use.
  
  Solution:
  
  Review Material Master: Check the material master record for the item in question. Ensure that the assembly type is set correctly and that any changes you are trying to make are valid.
  Check Sales Order Status: If the item is part of a sales order, check the status of that order. If the order is already processed or in a status that does not allow changes, you may need to create a new order or adjust the existing one.
  Consult Configuration Settings: Review the configuration settings in your SAP system to understand any restrictions on changing assembly types. This may involve consulting with your SAP administrator or functional consultant.
  Use Alternative Methods: If changing the assembly type is not allowed, consider whether you can achieve your goal through alternative means, such as creating a new item with the desired assembly type or adjusting the existing item in a different way.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or patches related to this error message. SAP frequently updates its documentation and may have specific notes addressing this issue.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM02 (Change Material), VA01 (Create Sales Order), and others that may be involved in the process.
  User Authorization: Ensure that you have the necessary authorizations to make changes to the material master or sales orders, as restrictions may also be due to user permissions.
  
  If the issue persists after following these steps, it may be beneficial to engage with your SAP support team or consult with an SAP expert for further assistance.