How To Fix VT374 - Switching to assembly type &1 is not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: VT - Vertriebstabellen

• Message number: 374

• Message text: Switching to assembly type &1 is not valid

What causes this issue?

You have tried to change the assembly type for a requirements class to
value '&V1&'. The value in the database is however 'V&2'. The change is
not permitted and has therefore led to this error message.
You can do any of the following:
Change assembly type from ' ' to another value.
Change assembly type from '1' to '3'.

How to fix this error?

Use another requirements class for the Customizing you require. If
necessary, set up a new requirements class.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message VT374 - Switching to assembly type &1 is not valid ?

  The SAP error message VT374, which states "Switching to assembly type &1 is not valid," typically occurs in the context of the SAP system's handling of transportation and logistics, particularly when dealing with the configuration of assembly processing in the system.
  Cause:
  The error usually arises due to one of the following reasons:
  
  
  Invalid Assembly Type: The assembly type specified in the error message (&1) is not valid for the current configuration or context. This could be due to a typo, or the assembly type may not be defined in the system.
  
  
  Configuration Issues: The assembly type may not be properly configured in the system, or there may be inconsistencies in the configuration settings related to assembly processing.
  
  
  Master Data Issues: The material master data or the configuration of the assembly process may not be set up correctly, leading to the inability to switch to the specified assembly type.
  
  
  Authorization Issues: The user may not have the necessary authorizations to perform the action related to the specified assembly type.
  
  
  Solution:
  To resolve the VT374 error, you can take the following steps:
  
  
  Check Assembly Type: Verify that the assembly type specified in the error message is valid and exists in the system. You can do this by checking the configuration settings in the relevant transaction codes (e.g., SPRO for configuration).
  
  
  Review Configuration: Ensure that the assembly type is correctly configured in the system. This may involve checking the settings in the relevant modules (e.g., Logistics Execution, Production Planning).
  
  
  Validate Master Data: Check the material master data and ensure that all necessary fields related to assembly processing are filled out correctly. This includes checking the material type and other relevant settings.
  
  
  User Authorizations: Ensure that the user has the necessary authorizations to perform actions related to the specified assembly type. This may involve checking user roles and authorizations in the system.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the assembly type in question and any related configuration settings.
  
  
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance, providing them with the error message details and the context in which it occurred.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO (for configuration), MM03 (to view material master), and others that may be relevant to your specific assembly processing scenario.
  SAP Notes: Check for any SAP Notes related to the error message VT374, as there may be specific patches or updates that address known issues.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the VT374 error and implement a suitable solution.