How To Fix VW646 - Maintain generic entry (&1 &2 weight group) that is allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: VW - Shipment Processing Output

• Message number: 646

• Message text: Maintain generic entry (&1 &2 weight group) that is allowed

What causes this issue?

You have tried to add an entry in the table with a generic key (&V1&,
&V2&) that is not permitted. The key fields in the table (Shipping
conditions/transportation group) can only be blank on the right-hand
side.
For example:
Shipping condition Transportation group
<blank> 0001 Not permitted
01 <blank> Permitted
<blank> <blank> Permitted

System Response

The system does not accept the entry.

How to fix this error?

Change the key fields (shipping condition/transportation group) in the
table so that they meet the requirements, or delete the entry.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message VW646 - Maintain generic entry (&1 &2 weight group) that is allowed ?

  The SAP error message VW646, which states "Maintain generic entry (&1 &2 weight group) that is allowed," typically occurs in the context of handling weight groups in the SAP system, particularly in the logistics or sales and distribution modules. This error indicates that there is a missing or incorrect configuration related to weight groups in the system.
  Cause:
  
  Missing Weight Group Configuration: The weight group specified in the transaction is not defined in the system.
  Incorrect Weight Group Assignment: The weight group may not be correctly assigned to the material or product in question.
  Generic Entry Not Maintained: The system requires a generic entry for the specified weight group, which has not been maintained.
  
  Solution:
  To resolve the VW646 error, you can follow these steps:
  
  
  Check Weight Group Configuration:
  
  Navigate to the configuration settings for weight groups in SAP. This can typically be found under the following path:
  
  SPRO > Logistics Execution > Shipping > Basic Shipping Functions > Weight Group > Maintain Weight Groups.
  
  
  Ensure that the weight group you are trying to use is defined and active.
  
  
  
  Maintain Generic Entry:
  
  If the weight group is missing, you will need to create a new entry for it. This involves defining the weight group and ensuring it is linked to the relevant materials or products.
  You can also check if there are any generic entries that need to be maintained for the weight group.
  
  
  
  Assign Weight Group to Material:
  
  Go to the material master record for the affected material and ensure that the correct weight group is assigned.
  You can do this by navigating to the material master (transaction code MM02) and checking the relevant views (e.g., Basic Data, Sales Org Data).
  
  
  
  Check for Authorizations:
  
  Ensure that you have the necessary authorizations to maintain weight groups and material master data.
  
  
  
  Consult Documentation:
  
  If you are unsure about the specific weight group requirements, consult the SAP documentation or your organization's SAP support team for guidance.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  MM02 (Change Material Master)
  SPRO (SAP Project Reference Object for configuration)
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to weight groups or the VW646 error.
  User Roles: Ensure that the user role has the necessary permissions to make changes to weight groups and material master data.
  
  By following these steps, you should be able to resolve the VW646 error and maintain the necessary configurations for weight groups in your SAP system.