How To Fix VC151 - Availability check without transfer of requirements is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: VC - SD Customizing

• Message number: 151

• Message text: Availability check without transfer of requirements is not allowed

Self-Explanatory Message

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• What is the cause and solution for SAP error message VC151 - Availability check without transfer of requirements is not allowed ?

  The SAP error message VC151, "Availability check without transfer of requirements is not allowed," typically occurs in the context of sales order processing or production planning when the system is trying to perform an availability check but is unable to transfer the requirements for the item in question. This can happen for various reasons, often related to configuration settings or the specific conditions of the sales order or production order.
  Causes:
  
  
  Configuration Settings: The availability check configuration in the material master or the sales document type may not be set up correctly. Specifically, the availability check may be configured to require the transfer of requirements, but the system is not able to fulfill that requirement.
  
  
  Item Category Settings: The item category of the sales order may not be configured to allow for the transfer of requirements. This can lead to the system not being able to perform the availability check as expected.
  
  
  Material Master Settings: The material master record may not have the appropriate settings for availability checks, such as the availability check type or the requirement type.
  
  
  Sales Document Type: The sales document type being used may not be configured to allow for the transfer of requirements.
  
  
  Custom Logic: Any custom logic or user exits that modify the standard behavior of the availability check could also lead to this error.
  
  
  Solutions:
  
  
  Check Material Master Settings:
  
  Go to the material master (transaction MM03) and check the availability check settings under the MRP (Material Requirements Planning) view. Ensure that the availability check type is set correctly.
  
  
  
  Review Item Category Configuration:
  
  Check the configuration of the item category used in the sales order (transaction VOV4). Ensure that the item category allows for the transfer of requirements.
  
  
  
  Sales Document Type Configuration:
  
  Review the configuration of the sales document type (transaction VOV8) to ensure that it is set up to allow for the transfer of requirements.
  
  
  
  Check Availability Check Configuration:
  
  Go to the configuration settings for availability checks (transaction SPRO) and ensure that the settings align with your business requirements.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the process to identify any custom logic or user exits that may be interfering with the availability check.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or consult with your SAP support team for any specific notes or updates related to this error message.
  
  
  
  Related Information:
  
  Transaction Codes: MM03 (Material Master), VOV4 (Item Category), VOV8 (Sales Document Type), SPRO (Customizing).
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  User Exits and BAdIs: If custom logic is involved, review any user exits or Business Add-Ins (BAdIs) that may affect the availability check process.
  
  By following these steps, you should be able to identify the root cause of the VC151 error and implement the necessary changes to resolve it.